Download the NEW APP "Custom Screen Timeout"
APP NO LONGER SUPPORTED
Download the NEW APP named "Custom Screen Timeout" here:
https://play.google.com/store/apps/details?id=com.customscreentimeout
All Android phones come with 4 or 5 time options when it comes turning the screen off.
This app lets you set when your screen will turn off anywhere from 1 second to 1000 minutes of inactivity.