With this simple application you can perform, in addition to the common mode Restart and Shutdown, different startup mode for your phone: Hot Boot, Recovery, Bootloader.
Is also possible to check the ROOT status:
• Green icon: you ARE rooted;
• Red icon: you AREN'T rooted;
Tested on:
• HTC Sensation XL with CM9 4.0.4
• Nexus 5 Stock with 5.0.1
• Nexus One CM7 2.3.7
• Samsung Galaxy S4 with 4.4.4
• Mini Smartlet 2 Stock with 4.2.2