Audalyzer is a simple audio analyzer for Android. It displays sound readings from the microphone as a waveform display, as a frequency spectrum, and as a dB meter. dB levels are relative to the maximum input level of your device
Touch Test - Shows display parameters, multiple touch points, and trails to let you see how linear your touchpanel is. Different hardware supports 1, 2, or more fingers -- see which yours is. Note Android before 2.0 supported only single touch. Please see the help for more info
TouchTest is a simple Android application to test screen parameters and multi-touch.
The application displays a 50-pixel grid which illustrates the screen sizes, and edge markers to check the registration of the screen edge with the surrounding bezel
TestCard is a simple screen test pattern for Android devices.
The app displays test patterns which are intended to let you see the structure of individual pixels, and the effect that has on the overall quality of the display. On many devices, the display will be utterly uninteresting
Test Card - A very simple screen test card for Android. Designed to allow you to view the structures of pixels under magnification. On many phones this will be totally uninteresting; on some, notably AMOLED displays, it may be more useful. Please read the help for more info
