Some smartphones such as Samsung Galaxy S III have flashlight widget installed on the device. You just need to select the Assistive Light from the ...Continue
To change the ringtone of your Samsung Galaxy S2 or other Samsung Galaxy devices do as follows:
1. Open "Setting" App
2. Go to "Sound"
3. Find "Device Ring tone" and Tap on it
4. Choose your favorite music or tone as the new Ringtone