Beautify your lock screen with cooleffect.It is free.

After you take the picture the photo will openin the photo gallery and you can share.It's free!Did you liked the application?Do you want new features?Write us, we would love to here your opinion!

★ Awesome battery saver, incredible difference in batterylife!★ Gives a nice, clean look to the desktop.- It's super easy to use.- Option to restore previous wallpaper!- Keeps everything sharper.- Help with battery life and a must have for those who areconstantly on their phones.- It's as black as when the screen is turned off.- It's just so simple and clean.- Saves power and increases visibility for icons.- The best option for those who care about their eyes.- A black blank background, perfect!- Reduces screen glare for low light eyesight use.- Great power saver!- Best wallpaper for business.- No more busy background.- A must have wallpaper, plain and simple.- Once you go black, you'll never go back.- It's free!

Power off button on screen to lock and turn off your phone screen.

timetable maker. timetable for university, school, college, studyor schedule.

- Unit conversion calculator.- Fahrenheit to celsius converter.- Km to miles converter.- Miles to kilometer converter.- Kilometers to miles.- liters converter.- Kilometers per hour to miles per hour.- It's free!

Save paper by using digital notes! Don't look for a pen or paper.

Numbers quiz with challenging questions.