Reboot Manager is a free Android app developed by Ju It is a utility tool designed to work on rooted devices only. The app offers several ways to reboot your device, including normal, hot/fast, recovery mode, bootloader mode, download mode, safe mode, and power off. It also includes a widget that can be added to the home screen for quick access. However, users should be aware that the app may not work on all devices due to Android fragmentation. Additionally, moving the app to external storage may cause it to be disabled or disappear.