Tvorba screenshotu, printscreen obrazovky na Samsungu S2
1. Samsung Galaxy S2: Press and Hold down the HOME button and then press the POWER button.
2. If you recently updated your Samsung Galaxy S2 to the latest version of Android 4 ICS (Ice Cream Sandwich) the methods above may no longer work. Try this instead: Press Volume Down button & the Power Button at the SAME time to take a screenshot on Android 4.0 ICS. The screenshot will be added to the /sdcard/Pictures/Screenshots folder.