Phone Screen Test(good to use)

This is an amazing and useful tools to test your phone's screen.

If you doubt that your phone's screen has any problem, you can use this application to test your phone.
Test whether or not your screen can show this color.
Test any point on your screen that if you can touch.
It can also show you the point's id that you touch.
By the way , if you don't know your phone's resolution, you can use this application to test it too.