As also found in the official Google Android Market:

This application is a call minutes, sms, mms and data usage meter to monitor your credit usage. Never exceed your quota again!

Supporters unlock: free times/contacts/groups; widget; usage log; greater configuration of plan inclusions + more. A free 5 day trial is offered.

Please report bugs!

Please visit http://creditusage.matthewwardrop.info for more information.

Puzzle game. You have to rotate the selected maze elements to get the ball to the destination.

It is a convenient cleaning system software.
它是一款清理临时文件的软件。

Test your soccer skills in Flick Soccer Juggling for Android devices

Become an airport security and take the right decision before the time runs out!

Endless Flight Bottle is a nice endless flying game in a cartoon world

Simple and Tactical card game

Make a path of apples for that thing to follow to the end of every level.

Real boat speeding in a challenging one tap gameplay style! Tap as fast as you can and get the highest score!

Ascolta Radio Sardegna Web dal tuo smartphone Android!

Play the game that you want the most!

VIATUN 4 VPN is easy to use VPN service powered by data compression and antivirus

Slice the colored ice blocks so you touch the corresponding colored seals.

Free Night Vision Camera is a low light video enhancement system.

It's time to show your sniper and shooting skills.Easy for anyone to enjoy.

A cute little monster is hungry, will you help him to get his cookies ?

    安安卜是一款集文件管理、任务管理、来电防火墙、短信过滤、网络管理、数据库管理、垃圾清理、开机加速、内存管理、监控器于一体的Android管理软件，全面管理android系统问题。
    AndBox is a set of files management, task management, call firewall, SMS filtering, network management, database management, garbage clean, boot speed, memory management, monitor management software, Overall management of the android system problems.

More http://code.google.com/p/andbox/
https://www.slideme.org/user/18222/applications/18222

iProfit is a currency converter and calculator for finding a profitable exchanges.

Donate Version (Donations can also be made trough the project site)
Market-Enabler is an application to fake the phone's location and access google's market from other countries. Android market is separated into regions (country and carrier specific) and some apps are just enabled for a specific country and not available to the other countries.

Important notes: You need a rooted phone, a working su app and the grep command installed.

AndTask is an easy-to use task management software,it allows you to switch on or off running programs/apps/services.