Developed by Maxim Yudin, the Useful Switchers application for Android enables you to quickly toggle frequently used system settings of this OS. Because the G1 smartphone doesn't come with this ability, some of these apps become vital for users who want increased productivity for their device. Useful Switchers already reached version 1
VM Heap Tool allows to change the Dalvik VM heap size to give demanding applications more heap space (thus decreasing frequency of garbage collection) to speed-up your device
SmartLink is an open source project trying to improve the user experience for advanced usage scenarios of a mobile phone and is targeting the Android platform
TagDroid is an application that is supposed to enhance browsing on the Android mobile platform. The user can create tags using words that are of importance to him. Under each of these tags (i.e. words) the user can add the files that he associates with the tag name, so that it is easy for him to find them later
SD tools - is an application with the help of which the owners of mobile devices can test the real speed of read out and record of SD card information. The application can check internal as well as external data storage item. It will also show the information about the date of issue and series number of the card
power cleaner(boost cache) - You want more free space to install apps? Use our Power Clean (Boost cache) to get more free space by clearing cache created by apps. You can get more space by getting rid of app cache which is created for temporary use by apps. Now you can even free-up system RAM by killing apps with the integrated Task Manager