If you want to optimize the performance of your Android device with as little effort as possible, Smart Task Killer Pro is the tool of choice.

*** Get the Ad Free Version of App Killer ***

This is the Ultimate Application Killer. This app lets you kill running applications and system services. You can also back-up applications you’ve downloaded or uninstall them from your device.

Fun, addictive game. Think fast, poke and pop.

English

'timeout3g' switch the data connection (H,edge,2g,3g,...) automatically off in order to save power.

Français

'timeout3g' désactive automatiquement la connexion de données (H,edge,2g,3g,...) pour économiser de l'énergie.

Deutsch

'timeout3g' deaktiviert automatisch die Daten-Verbindung (H,edge,2g,3g,3g+) um Energie zu sparen.

App Manager + Task Killer + Multi Web Browser + Multi Video Player + Fancy Icon!!!

A simple yet customizable battery widget with colorful icon, text & background.

A brain game that challenges your combination skills.

A photo widget that supports semi-transparency and frame of any color you like
　
Features:

- Minimalistic style
- Semi-transparent photo display on home screen (supports Android 2.2 or higher)
- Customizable photo frame of any color you like
- Slideshow of all photos in a directory (customizable photo update interval: every minute, every hour, every day, etc.)
- Built-in photo cropping and rotating
- Four different widget sizes: 2x2, 2x4, 4x2, 4x4

Memory Booster is a powerful mobile Memory & RAM boosting tool specially designed for Android smartphone users. It is a handy memory optimizer tool that will keep your Android smartphone running faster and efficiently. It increases your cell phone's performance by making more memory available for both your applications and the mobile system.

Bored with Standard Clock Widget?
Beautiful Clock Widgets provides you a first quality collection of beautifully designed clock widgets to customize your Android Phone.

This application provides the best features to saves the battery.

ROOT Power FREE is a powerful tool for any user with Rooted android devices.

Optimize your device's battery life with Battery Doctor is easy and simple way.

The name says it all: Boost My Battery HD gives your phone or tablet much more battery power!

Task Manager Android Apps. Manage your process. Show detail action item process list and kill selected item process list right away. Enjoy manage your android process task.

Your phone runs slow, sluggish ? do not worry try this app to clean app cache, stop background tasks, clear RAM to boost battery life and device performance.

You have too many apps installed and it is difficult to find and launch the app you want ?
Try this app to organize apps, bookmark them in category wise to locate easily and launch them.

Application can be used to configure separate time out and brightness settings for each application in the android device. Can be used for applications like browser, e-reader and chat applications which is usually used for long periods and the screen has to be on.

To save your phone's battery, you need to kill background tasks, adjust screen brightness, turn off wifi, gps, bluetooth, network etc. You need to learn how to save your device's battery.

A simple battery widget to show exact battery level and charging status.
Battery Meter Widget shows the battery level and charging status in 1x1 space(same as size of icon). Battery Meter is a very lightweight widget i.e. only 64kb in size.

Speed up phone;
Save battery;
Auto kill & widget;

Quick App Killer is a tool to kill running tasks for speeding up your phone, saving your battery life;

Best task/app killer on Android Market.