Music Speed Changer has a setting you can turn on to keep the screen on. This will keep your device from turning off the screen. To activate it, go to the main app menu, settings, and check the box next to Keep screen on.
Open the app main menu
![Open the App Main Menu Open the App Main Menu](https://musicspeedchanger.com/images/help/opentheplayermainmenu.png)
Select Settings
![Select Settings Select Settings](https://musicspeedchanger.com/images/help/opensettings.png)
Check the box next to Keep screen on