RootDim - This requires root privileges on your device and a backlit LCD screen (not OLED).
SuperDim lets you dim the display to very low levels--lower than the OS normally allows (that's why you need root privileges)--to save night vision. This will be particularly useful for serious amateur astronomers.
On some devices you can also turn off LEDs (e.g., power LED)
Rotation Toggler is essentially an auto-rotate screen toggler application that allows you to enable or disable Android's auto-rotate feature. This is useful especially when you don't want the screen to change its orientation when say..you are reading an ebook or browsing a site and don't want your browser to change its orientation
Screen On - This Android application will keep the screen on, when an application of those you have selected in the list is running. It periodically checks to find if the application is running and locks the screen not to sleep. When the application stops, the lock goes off.
Screen on when charge option
Screen On Toggler is basically a replacement tool for the default search button on your Android phone when you long press it. It allows you to quickly toggle your screen's timeout from always ON to your screen timeout's setting and vice versa.
Once installed, press and hold the search button on your android phone and a dialog will appear
Screen ON Widget - An Android widget that keeps the screen on by preventing it from turning off. Click on the widget to activate and click again to deactivate. A notification is also posted while it runs. You can also click on the notification to deactivate
Screen Regenerator - The screen of your smartphone is damaged every day. The pixels of the screen do not suffer even wear what causes the appearance of dead pixel and premature death of it.
Screen Revival is designed to reset the pixels of the screen to its factory state using a succession of pure colors
Screen Tester - If you are interested in the health of the screen of your device, here is the application you were waiting.
You can check if your screen has flaws and if the touch screen works perfectly.
Finally you can clarify your doubts, so if you see strange defects in the image, you'll know if it's the screen or otherwise
SilentCam - This is silent camera(No shutter sound).
Simply to save a preview image, not sound.
Twitter and Facebook, but you want to upload photos, and useful if you think a little embarrassing sounds. I also support the call to shoot from a different application, can be used instead of a regular camera application