If you own a Galaxy Ace 2, you don't need to install an app to use the LED FLash of your device as a torch. To enable the default Galaxy Ace 2 ...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