A free program for Android, by Zayzik : LED Keyboard Studio.

iCenter iOS16 – Control Center is a tool for your Android phone that allows you to do several things, such as change the phone’s settings, access to files, and even run apps. It is very easy to use, even for people who have never used an Android phone before. 

The first thing that you need to do is download iCenter iOS16 – Control Center from the Google Play Store. The installation process is very easy, and you don’t need to do anything else. The next thing is to open the application, and you can start using it right away. You will be guided through the setup process, which is very easy.