just reboots repeatedly in lollipop in android 5 the app installs, reboots and then reboots again when you try to use it
Increase text size about days.
Force reboot atfer installation.
//BE CAREFUL, from Android 4.3 this app is going to reboot your device to finish correctly the installation//
Root privileges are needed in order to enable/disable airplane mode
From Android 4.3, this application must be copied in system folder to enable/disable airplane mode. that's why reboot is necessary after finishing installation