Pluto is a on-device debugger for Android applications, which helps in inspection of HTTP requests/responses, capture Crashes and ANRs and manipulating application data on-the-go.
It comes with a UI to monitor and share the information, as well as APIs to access and use that information in your application.
Yet another simple audio visualizer for android that takes input from android MediaPlayer.
TilesView is an Android widget that is able to display a very huge image and make it browsable.