diff --git a/app/build/intermediates/incremental/mergeDebugResources/merger.xml b/app/build/intermediates/incremental/mergeDebugResources/merger.xml
index af08626..c0c3239 100644
--- a/app/build/intermediates/incremental/mergeDebugResources/merger.xml
+++ b/app/build/intermediates/incremental/mergeDebugResources/merger.xml
@@ -1352,7 +1352,7 @@
         <item>Icy Mountains</item>
         <item>Testcave</item>
         <item>Mysterious fireworld</item>
-    </string-array></file><file path="C:\Users\Julian\AndroidStudioProjects\EndlessRoll\app\src\main\res\values\colors.xml" qualifiers=""><color name="win">#ffda45</color><color name="loose">#891e4e</color><color name="retry">#39be27</color><color name="game_progress_text">#ffb405</color><color name="message_views">#daf10d</color><color name="toolbuttonInactiveNotReady">#db911c0f</color><color name="toolbuttonInactiveReady">#dbfff200</color><color name="toolbuttonActiveNotReady">#e5dc1522</color><color name="toolbuttonActiveReady">#db41e42b</color><color name="toolbuttonLocked">#db494b49</color><color name="toolslotDisabled">#715f5f</color><color name="toolslotDisabledSelected">#60715f</color><color name="toolslotEnabled">#db41e42b</color><color name="toolslotEnabledSelected">#b3d700</color><color name="countdown3">#f0f41e02</color><color name="countdown2">#f0f28117</color><color name="countdown1">#f0d7b106</color></file><file path="C:\Users\Julian\AndroidStudioProjects\EndlessRoll\app\src\main\res\values\strings.xml" qualifiers=""><string name="app_name">Endless Roll</string><string name="game_playerprogress_placeholder">0.0m</string><string name="game_playerprogress_format_f">%.1fm</string><string name="game_playerspeed_placeholder">0.0m/s</string><string name="game_playerspeed_format_f">%.1fm/s</string><string name="game_fps_placeholder">Fps: 00</string><string name="game_fps_format_d">Fps: %d</string><string name="game_countdown_placeholder">3</string><string name="levelup">Level Up</string><string name="message_game_over">GAME OVER</string><string name="message_win">YOU DID IT</string><string name="message_tools">Tools</string><string name="message_to_menu">To menu</string><string name="message_restart">Restart</string><string name="message_try_again">Try again</string><string name="message_next_level">Next level</string><string name="pre_start_screen_loading">LOADING...</string><string name="short_menu_continue">Continue</string><string name="short_menu_restart">Restart</string><string name="short_menu_exit">Exit</string><string name="start_screen_play">Play</string><string name="start_screen_unlock_all_levels">Unlock all levels (Yes! It\'s magic!)</string><string name="start_screen_gain_90_ep">Gain 90 ep (Nope! No magic at all!)</string><string name="start_screen_to_gl_test_screen">Test GL Stuff!!!</string><string name="tool_upgrade_title_placeholder">Time (Lv12)</string><string name="topbar_level_placeholder">Level: 24</string><string name="topbar_level_format_d">Level: %d</string><string name="settings_reset">Reset</string><string name="topbar_toolshop">Toolshop</string><string name="unlock_message_placeholder">Ramp unlocked</string><string name="world_button_title_placeholder">Great world</string><string name="world_button_progress_placeholder">21/15</string><string name="bounty_message_resource_format_s">%s</string><string name="bounty_message_tool_format_s">%s unlocked!</string><string name="bounty_message_tool_slot">You unlocked a Toolslot</string><string name="level_button_format_d">Level: %d</string><string name="price_button_buy">Buy</string><string name="price_button_upgrade">Upgrade</string><string name="playershape_name_ball">Ball</string><string name="playershape_name_clock">Clock</string><string name="playershape_name_hypno_spiral">Hypno</string><string name="playershape_name_pacman">Pacman</string><string name="playershape_name_smiley">Smiley</string><string name="tool_name_ramp">Ramp</string><string name="tool_name_spring">Spring</string><string name="tool_name_magnet">Magnet</string><string name="tool_name_bomb">Bomb</string><string name="tool_name_power_mushroom">Power Mushroom</string><string name="tool_upgrade_title_format_sd">%1$s (Lv%2$d)</string><string name="tool_upgrade_none">None</string><string name="tool_upgrade_time">Time</string><string name="tool_upgrade_radius">Radius</string><string name="tool_upgrade_force">Force</string><string name="tool_upgrade_value_max">Max.</string><string name="tutorial_placeholder">This is a multiline placeholder\nfor all the tutorials I made!!!\nAwesome! - Isn\'t it?</string><string name="tutorial_welcome">Welcome to Endless Roll!\nHave fun!</string><string name="tutorial_toolbar">This is the toolbar. Here you can select the tool you currently want to use.</string><string name="tutorial_place_tools">You can use the selected tool by clicking on the wanted position on the screen.</string><string name="tutorial_place_ramp_gap">Now place your ramp in front of the gap!</string><string name="tutorial_place_ramp_obstacle">Now place it in front of the obstacle!</string><string name="tutorial_place_ramp_air">You can even set a Tool in mid-air.\nTry it out!</string><string name="tutorial_place_ramp_air_2">Now try again!</string><string name="tutorial_leveled_up">Congratulations!!!\nYou have leveled up!</string><string name="tutorial_to_toolshop">Now go to the toolshop by either clicking on the \'Spring unlocked\' or the toolshop button!</string><string name="tutorial_toolshop_welcome">Welcome to the toolshop!\nHere you can buy and upgrade all tools and you can customize your toolbar.</string><string name="tutorial_toolshop_toolbar">Right! That is your toolbar.</string><string name="tutorial_toolshop_all_tools">Here you can see all the tools you will be able to buy and use.</string><string name="tutorial_toolshop_inspector">Here one can buy and upgrade the selected tool.</string><string name="tutorial_toolshop_select_buy_spring">Now select the spring and buy it!</string><string name="tutorial_toolshop_equip_spring">Now tip on an unlocked slot of your toolbar to equip the spring!\n(It is the same where the ramp is attached at the moment)\nAfter that you will be able to complete the next level.</string><string name="playershape_name_sun">Sun</string><string name="playershape_name_wheel">Wheel</string><string name="placeholder_textview">I\'m a text!</string><string name="placeholder_percent">85.1%</string><string name="tool_level_format_d">Level: %d</string><string name="placeholder_button">Click me!</string><string name="placeholder_number">997.5</string><string name="tool_description_ramp">A simple tool that will get you in the air</string><string name="tool_description_bomb">Blow up all obstacles near the bomb</string><string name="tool_description_spring">It will get you way higher than the Ramp</string><string name="tool_description_magnet">Difficult to handle, but if you master it...</string><string name="tool_description_power_mushroom">This will give you super-powers for 5 seconds</string><string name="tool_description_locked">You will unlock this mysterious tool later</string><string name="tool_name_locked">\?\?\?</string></file><file path="C:\Users\Julian\AndroidStudioProjects\EndlessRoll\app\src\main\res\values\styles.xml" qualifiers=""><style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
+    </string-array></file><file path="C:\Users\Julian\AndroidStudioProjects\EndlessRoll\app\src\main\res\values\colors.xml" qualifiers=""><color name="win">#ffda45</color><color name="loose">#891e4e</color><color name="retry">#39be27</color><color name="game_progress_text">#ffb405</color><color name="message_views">#daf10d</color><color name="toolbuttonInactiveNotReady">#db911c0f</color><color name="toolbuttonInactiveReady">#dbfff200</color><color name="toolbuttonActiveNotReady">#e5dc1522</color><color name="toolbuttonActiveReady">#db41e42b</color><color name="toolbuttonLocked">#db494b49</color><color name="toolslotDisabled">#715f5f</color><color name="toolslotDisabledSelected">#60715f</color><color name="toolslotEnabled">#db41e42b</color><color name="toolslotEnabledSelected">#b3d700</color><color name="countdown3">#f0f41e02</color><color name="countdown2">#f0f28117</color><color name="countdown1">#f0d7b106</color></file><file path="C:\Users\Julian\AndroidStudioProjects\EndlessRoll\app\src\main\res\values\strings.xml" qualifiers=""><string name="app_name">Endless Roll</string><string name="game_playerprogress_placeholder">0.0m</string><string name="game_playerprogress_format_f">%.1fm</string><string name="game_playerspeed_placeholder">0.0m/s</string><string name="game_playerspeed_format_f">%.1fm/s</string><string name="game_fps_placeholder">Fps: 00</string><string name="game_fps_format_d">Fps: %d</string><string name="game_countdown_placeholder">3</string><string name="levelup">Level Up</string><string name="message_game_over">GAME OVER</string><string name="message_win">YOU DID IT</string><string name="message_tools">Tools</string><string name="message_to_menu">To menu</string><string name="message_restart">Restart</string><string name="message_try_again">Try again</string><string name="message_next_level">Next level</string><string name="pre_start_screen_loading">LOADING...</string><string name="short_menu_continue">Continue</string><string name="short_menu_restart">Restart</string><string name="short_menu_exit">Exit</string><string name="start_screen_play">Play</string><string name="start_screen_unlock_all_levels">Unlock all levels (Yes! It\'s magic!)</string><string name="start_screen_gain_90_ep">Gain 90 ep (Nope! No magic at all!)</string><string name="start_screen_to_gl_test_screen">Test GL Stuff!!!</string><string name="tool_upgrade_title_placeholder">Time (Lv12)</string><string name="topbar_level_placeholder">Level: 24</string><string name="topbar_level_format_d">Level: %d</string><string name="settings_reset">Reset</string><string name="topbar_toolshop">Toolshop</string><string name="unlock_message_placeholder">Ramp unlocked</string><string name="world_button_title_placeholder">Great world</string><string name="world_button_progress_placeholder">21/15</string><string name="bounty_message_resource_format_s">%s</string><string name="bounty_message_tool_format_s">%s unlocked!</string><string name="bounty_message_tool_slot">You unlocked a Toolslot</string><string name="level_button_format_d">Level: %d</string><string name="price_button_buy">Buy</string><string name="price_button_upgrade">Upgrade</string><string name="playershape_name_ball">Ball</string><string name="playershape_name_clock">Clock</string><string name="playershape_name_hypno_spiral">Hypno</string><string name="playershape_name_pacman">Pacman</string><string name="playershape_name_smiley">Smiley</string><string name="tool_name_ramp">Ramp</string><string name="tool_name_spring">Spring</string><string name="tool_name_magnet">Magnet</string><string name="tool_name_bomb">Bomb</string><string name="tool_name_power_mushroom">Power Mushroom</string><string name="tool_upgrade_title_format_sd">%1$s (Lv%2$d)</string><string name="tool_upgrade_none">None</string><string name="tool_upgrade_time">Time</string><string name="tool_upgrade_radius">Radius</string><string name="tool_upgrade_force">Force</string><string name="tool_upgrade_value_max">Max.</string><string name="tutorial_placeholder">This is a multiline placeholder\nfor all the tutorials I made!!!\nAwesome! - Isn\'t it?</string><string name="tutorial_welcome">Welcome to Endless Roll!\nHave fun!</string><string name="tutorial_toolbar">This is the toolbar. Here you can select the tool you currently want to use.</string><string name="tutorial_place_tools">You can use the selected tool by clicking on the wanted position on the screen.</string><string name="tutorial_place_ramp_gap">Now place your ramp in front of the gap!</string><string name="tutorial_place_ramp_obstacle">Now place it in front of the obstacle!</string><string name="tutorial_place_ramp_air">You can even set a Tool in mid-air.\nTry it out!</string><string name="tutorial_place_ramp_air_2">Now try again!</string><string name="tutorial_leveled_up">Congratulations!!!\nYou have leveled up!</string><string name="tutorial_to_toolshop">Now go to the toolshop by either clicking on the \'Spring unlocked\' or the toolshop button!</string><string name="tutorial_toolshop_welcome">Welcome to the toolshop!\nHere you can buy and upgrade all tools and you can customize your toolbar.</string><string name="tutorial_toolshop_toolbar">Right! That is your toolbar.</string><string name="tutorial_toolshop_all_tools">Here you can see all the tools you will be able to buy and use.</string><string name="tutorial_toolshop_inspector">Here one can buy and upgrade the selected tool.</string><string name="tutorial_toolshop_select_buy_spring">Now select the spring and buy it!</string><string name="tutorial_toolshop_equip_spring">Now tip on an unlocked slot of your toolbar to equip the spring!\n(It is the same where the ramp is attached at the moment)\nAfter that you will be able to complete the next level.</string><string name="playershape_name_sun">Sun</string><string name="playershape_name_wheel">Wheel</string><string name="placeholder_textview">I\'m a text!</string><string name="placeholder_percent">85.1%</string><string name="tool_level_format_d">Level: %d</string><string name="placeholder_button">Click me!</string><string name="placeholder_number">997.5</string><string name="tool_description_ramp">Roll up the ramp to gain height</string><string name="tool_description_bomb">Blow up all obstacles near the bomb</string><string name="tool_description_spring">Shoots you in the air</string><string name="tool_description_magnet">Difficult to handle, but if you master it you can do anything</string><string name="tool_description_power_mushroom">This will give you super-powers for a few seconds</string><string name="tool_name_locked">\?\?\?</string><string name="tool_description_locked_format_d">You will unlock this mysterious tool at level %d</string></file><file path="C:\Users\Julian\AndroidStudioProjects\EndlessRoll\app\src\main\res\values\styles.xml" qualifiers=""><style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
         <item name="android:buttonStyle">@style/GameButton</item>
         <item name="android:textColor">#000000</item>
     </style><style name="GameButton">
diff --git a/app/build/intermediates/symbols/debug/R.txt b/app/build/intermediates/symbols/debug/R.txt
index d69eeb8..1538c73 100644
--- a/app/build/intermediates/symbols/debug/R.txt
+++ b/app/build/intermediates/symbols/debug/R.txt
@@ -876,7 +876,7 @@ int string start_screen_to_gl_test_screen 0x7f0d003b
 int string start_screen_unlock_all_levels 0x7f0d003c
 int string status_bar_notification_info_overflow 0x7f0d003d
 int string tool_description_bomb 0x7f0d003e
-int string tool_description_locked 0x7f0d003f
+int string tool_description_locked_format_d 0x7f0d003f
 int string tool_description_magnet 0x7f0d0040
 int string tool_description_power_mushroom 0x7f0d0041
 int string tool_description_ramp 0x7f0d0042
diff --git a/app/src/main/java/de/frajul/endlessroll/entities/tools/PowerMushroom.java b/app/src/main/java/de/frajul/endlessroll/entities/tools/PowerMushroom.java
index ac42acf..8d49b8b 100644
--- a/app/src/main/java/de/frajul/endlessroll/entities/tools/PowerMushroom.java
+++ b/app/src/main/java/de/frajul/endlessroll/entities/tools/PowerMushroom.java
@@ -13,13 +13,14 @@ import de.frajul.endlessroll.main.game.Timer;
 public class PowerMushroom extends Tool {
 
     public PowerMushroom(Vector position) {
-        super(ToolType.POWER_MUSHROOM, position, true, true);
+        super(ToolType.POWER_MUSHROOM, position, .35f, .3f, true, true);
         animation.disable();
     }
 
     @Override
     public void onPlayerCollision(Player player, Timer timer) {
-        player.startSuperPower(timer.getCurrentTime());
+        player.startSuperPower(timer.getCurrentTime(),
+                (long) ToolType.POWER_MUSHROOM.getCurrentUpgradeValue(ToolUpgradeType.DURATION));
         super.destroy(DestroyEffect.ENERGY_COLLECT);
     }
 
diff --git a/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolPreview.java b/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolPreview.java
deleted file mode 100644
index f8fd7b1..0000000
--- a/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolPreview.java
+++ /dev/null
@@ -1,24 +0,0 @@
-package de.frajul.endlessroll.entities.tools;
-
-import de.frajul.endlessroll.data.Vector;
-import de.frajul.endlessroll.entities.Entity;
-
-/**
- * Created by Julian on 22.09.2017.
- */
-
-public class ToolPreview extends Entity {
-
-    public ToolPreview() {
-        super(null, new Vector(), 0, 0);
-        super.setAlpha(0.5f);
-        super.setVisible(false);
-    }
-
-    public void showTool(ToolType toolType) {
-        super.setVisible(true);
-        super.setTexture(toolType.getToolTexture());
-        super.setWidth(toolType.getWidth());
-        super.setHeight(toolType.getHeight());
-    }
-}
diff --git a/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolUpgrade.java b/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolUpgrade.java
index 97a19c8..17f995c 100644
--- a/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolUpgrade.java
+++ b/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolUpgrade.java
@@ -7,45 +7,21 @@ package de.frajul.endlessroll.entities.tools;
 public class ToolUpgrade {
 
     private ToolUpgradeType type;
-    private float first, step;
-    private int price;
+    private float first, last;
 
-    private int maxLevel;
-    private int currentLevel = 1;
-
-    public ToolUpgrade(ToolUpgradeType type, float first, float last, float step, int price) {
+    public ToolUpgrade(ToolUpgradeType type, float first, float last) {
         this.type = type;
         this.first = first;
-        this.step = step;
-        this.price = price;
-        maxLevel = (int) Math.abs((first - last) / step) + 1;
+        this.last = last;
     }
 
     public ToolUpgradeType getType() {
         return type;
     }
 
-    public float getValueAtLevel(int level) {
-        return first + step * (level - 1);
+    public float getValueAtLevel(int level, int maxLevel) {
+        float step = (last - first) / ((float) maxLevel - 1);
+        return first + level * step;
     }
 
-    public float getValueAtCurrentLevel() {
-        return getValueAtLevel(currentLevel);
-    }
-
-    public int getMaxLevel() {
-        return maxLevel;
-    }
-
-    public int getPrice() {
-        return price;
-    }
-
-    public int getCurrentLevel() {
-        return currentLevel;
-    }
-
-    public void setCurrentLevel(int currentLevel) {
-        this.currentLevel = currentLevel;
-    }
 }
diff --git a/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolUpgradeType.java b/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolUpgradeType.java
index 98380ba..3696875 100644
--- a/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolUpgradeType.java
+++ b/app/src/main/java/de/frajul/endlessroll/entities/tools/ToolUpgradeType.java
@@ -1,42 +1,11 @@
 package de.frajul.endlessroll.entities.tools;
 
-import android.support.annotation.DrawableRes;
-import android.support.annotation.StringRes;
-
-import de.frajul.endlessroll.R;
-
 /**
- * Created by Julian on 07.06.2017.
+ * Created by Julian on 28.10.2017.
  */
 
 public enum ToolUpgradeType {
 
-    NONE(R.string.tool_upgrade_none, "", R.drawable.tools_ramp_button), TIME(R.string.tool_upgrade_time, "s", R.drawable.guis_clock), RADIUS(
-            R.string.tool_upgrade_radius, "%", R.drawable.guis_radius), FORCE(R.string.tool_upgrade_force, "%", R.drawable.guis_magnet_field);
+    COOLDOWN, DURATION, FORCE, RANGE;
 
-    @StringRes
-    private int name;
-    private String unit;
-    @DrawableRes
-    private int drawable;
-
-    ToolUpgradeType(@StringRes int name, String unit, @DrawableRes int drawable) {
-        this.name = name;
-        this.unit = unit;
-        this.drawable = drawable;
-    }
-
-    @StringRes
-    public int getName() {
-        return name;
-    }
-
-    public String getUnit() {
-        return unit;
-    }
-
-    @DrawableRes
-    public int getDrawable() {
-        return drawable;
-    }
 }
diff --git a/app/src/main/java/de/frajul/endlessroll/views/ToolInspector.java b/app/src/main/java/de/frajul/endlessroll/views/ToolInspector.java
index c1c5996..c45593e 100644
--- a/app/src/main/java/de/frajul/endlessroll/views/ToolInspector.java
+++ b/app/src/main/java/de/frajul/endlessroll/views/ToolInspector.java
@@ -9,6 +9,7 @@ import de.frajul.endlessroll.R;
 import de.frajul.endlessroll.entities.tools.ToolType;
 import de.frajul.endlessroll.main.GameActivity;
 import de.frajul.endlessroll.main.screens.ToolShopScreen;
+import de.frajul.endlessroll.user.LevelUpBounties;
 
 /**
  * Created by Julian on 03.06.2017.
@@ -47,41 +48,45 @@ public class ToolInspector implements View.OnClickListener {
         this.toolType = toolType;
         this.locked = locked;
         title.setText(locked ? R.string.tool_name_locked : toolType.getName());
-        levelView.setText(gameActivity.getString(R.string.tool_level_format_d, toolType.getUpgrade().getCurrentLevel()));
+        levelView.setText(gameActivity
+                .getString(R.string.tool_level_format_d, toolType.getCurrentUpgradeLevel()));
         levelView.setVisibility(locked ? View.INVISIBLE : View.VISIBLE);
         imageView.setImageDrawable(gameActivity.getResources().getDrawable(
                 locked ? R.drawable.tools_button_locked : toolType.getButtonDrawable()));
-        description.setText(locked ? R.string.tool_description_locked : toolType.getDescription());
+
+        String descriptionLocked = gameActivity.getString(R.string.tool_description_locked_format_d, gameActivity.getUser().getLevelUpBounties().getLevelToolIsUnlocked(toolType));
+        String toolDescription = gameActivity.getString(toolType.getDescription());
+        description.setText(locked ? descriptionLocked : toolDescription);
 
         if (!toolType.isBought()) {
-            priceButton
-                    .init(R.string.price_button_buy, toolType.getPrice(), R.drawable.currency_star);
+            priceButton.init(R.string.price_button_buy, toolType.getBuyPrice(),
+                    R.drawable.currency_star);
             priceButton.setLayoutVisible(locked ? View.GONE : View.VISIBLE);
-            priceButton
-                    .setLayoutEnabled(toolType.getPrice() <= gameActivity.getUser().getStarCount());
-        } else {
-            priceButton.init(R.string.price_button_upgrade, toolType.getUpgrade().getPrice(),
-                    R.drawable.currency_energy);
-            priceButton.setLayoutVisible(toolType.getUpgrade().getCurrentLevel() == toolType.getUpgrade().getMaxLevel() ? View.GONE : View.VISIBLE);
             priceButton.setLayoutEnabled(
-                    toolType.getUpgrade().getPrice() <= gameActivity.getUser().getEnergyCount());
+                    toolType.getBuyPrice() <= gameActivity.getUser().getStarCount());
+        } else {
+            priceButton.init(R.string.price_button_upgrade, toolType.getUpgradePrice(),
+                    R.drawable.currency_energy);
+            priceButton.setLayoutVisible(toolType.isAtMaxUpgradeLevel() ? View.GONE : View.VISIBLE);
+            priceButton.setLayoutEnabled(
+                    toolType.getUpgradePrice() <= gameActivity.getUser().getEnergyCount());
         }
     }
 
     private void onToolUpgraded(int price) {
-        toolType.getUpgrade().setCurrentLevel(toolType.getUpgrade().getCurrentLevel()+1);
+        toolType.upgrade();
         toolShopScreen.onToolUpgraded(price);
         update(toolType, locked);
     }
 
     @Override
     public void onClick(View v) {
-        if(!toolType.isBought()){
-        toolType.setBought(true);
-        update(toolType, locked);
-        toolShopScreen.onToolBought(toolType.getPrice(), toolType);
-    }else{
-        onToolUpgraded(toolType.getUpgrade().getPrice());
+        if (!toolType.isBought()) {
+            toolType.setBought(true);
+            update(toolType, locked);
+            toolShopScreen.onToolBought(toolType.getBuyPrice(), toolType);
+        } else {
+            onToolUpgraded(toolType.getUpgradePrice());
         }
     }
 }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 44aad38..e37d24d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -50,12 +50,12 @@
     <string name="playershape_name_wheel">Wheel</string>
     <string name="playershape_name_sun">Sun</string>
 
-    <string name="tool_description_locked">You will unlock this mysterious tool later</string>
-    <string name="tool_description_ramp">A simple tool that will get you in the air</string>
-    <string name="tool_description_spring">It will get you way higher than the Ramp</string>
-    <string name="tool_description_magnet">Difficult to handle, but if you master it...</string>
+    <string name="tool_description_locked_format_d">You will unlock this mysterious tool at level %d</string>
+    <string name="tool_description_ramp">Roll up the ramp to gain height</string>
+    <string name="tool_description_spring">Shoots you in the air</string>
+    <string name="tool_description_magnet">Difficult to handle, but if you master it you can do anything</string>
     <string name="tool_description_bomb">Blow up all obstacles near the bomb</string>
-    <string name="tool_description_power_mushroom">This will give you super-powers for 5 seconds</string>
+    <string name="tool_description_power_mushroom">This will give you super-powers for a few seconds</string>
     <string name="tool_name_locked">\?\?\?</string>
     <string name="tool_name_ramp">Ramp</string>
     <string name="tool_name_spring">Spring</string>