This is a very useful and straight forward app to ensure that the touchscreen of your phone works fine.
Features :
• Touch Screen Test - This Test will help ensure that you phone's touch screen works fine.
• Multi Touch Test - This test will help ensure that multi touch gesture of your phone's touch screen works fine.
• Pinch,Move,Rotate - This test will help ensure that Pinch, Move and Rotate gesture of your phone's touch screen works fine.
• Brightness - This test will help ensure that brightness of your phone's touch screen works fine.
Some Additional Features :
▶ Sound You’ll be able to check if your phone's earpiece, speaker, headphone, microphone and vibration are functioning correctly. No need to make any calls to check phone's earpiece and microphone/speaker, with this app you can check these components directly.
▶ Camera You’ll be able to check back/front Camera, turn on face detection switch to test if your camera correctly detects face. Also you’ll be able to check flashlight of your phone.
▶ SENSORS 
You'll be able to check which sensors are supported by your phone and test if the supported sensors are working correctly on your phone like accelerometer, gyroscope, magnetometer and proximity sensor.
You can also generate report and share with others.