This is a tool that should have been released years ago! It is an application, that lets the users input test the functionality of their device. Whether it is bad audio, or screen feedback, the app helps you try and determine if your device is running up to snuff or could use a tune up. For some reason this app gone unnoticed since release in May, and is available for BlackBerry 10, as well as some legacy devices. It is written by Research In Motion, so there is no worry that the app is a port, or by someone just fooling around. Want to see if your device is running right? Get your own copy for free in BlackBerry World. Please note, that this app mainly test device functionality, and doesn’t go to much in depth in ways of hardware performance.