Five secret functions of your smartphone screen

The mobile screen can be much more useful than it seems. There are "hidden" utilities to boost the usability of the screen. The smartphone application can, for example, become a hologram projector even on LEDs, with personalized smartphone messages.

For those who are tired of the device and its visual, it is possible to change the icons on the screen or put humorous effects such as cracked glass detail and others. Do you want to know all the tips? Here are five simple and inexpensive options.

1) Holograms for projectors

For those who like futuristic technologies, you can make a homemade holographic projector with just a CD case. To function, you need to make a mold and place on the device screen: the results show 3D projections in a fun project. The smartphone can be used for any brand or operating system from full screen rotate videos.

2) Record what happens on the screen

Android users can record everything that happens on the screen, from free applications without root or any change in the system. This makes it possible to record games, stock pieces or anytime you want to save or send to friends. Remember that the videos are saved on the phone with the audio gallery that highlights the quality and time of the customizations.

3) Custom icons

Do you want to change the look of your phone? Those with an Android or iPhone screen have several customization options available. Google's mobile system, you can customize the icons and the entire mobile theme with the most diverse models. Already in iOS it is easy to change the background of the device and place the photo you want. To complete, there are also various social media icons.

4) Rotate the LED display panel

Leave your phone looking retro is possible with the LEDs on the electronic panel, a free application for Android. As the name implies, the user can add LED marquee effect words to their screens. Settings are available to choose the font color, speed as they appear, and actions that blink or scroll on the screen.

5) Broken Screen

For those who want more unusual effects, there are tools to add the split screen look on the smartphone. The feature can be used in a game with friends or out of curiosity. You can find the “Broken Screen” and “Crack my screen” available for free in the Google Play Store. Meanwhile, the "cracked screen prank" works free for those with iOS.