This app allows you to test the correct operation of many parts of your device (phone or tablet). You can test the following:
·Device's sensors: accelerometer gyroscope compass...
·Wifi: internal & external IP gateway DHCP server...
·Telephony: signal network type external IP...
·GPS: satellites latitude longitude speed...
·Battery: health level of charge...
·Multitouch screen: how many fingers recognize your device?(not available in Android 1.6)

Also displays system information about hardware and software like CPU properties RAM storage kernel version screen ...