Rashr- Flash Tool: Flashing Made Easy

Rashr allows you to easily flash and backup your device recovery and kernel without the need of a PC. It supports about 3500 recovery IMGs including ClockworkMod, Philz, TWRP. You don't need any knowledge on flashing IMGs because thanks to the easy to use interface anyone can flash without a problem. There are so other helpful features that are available
: Shutdown
: Reboot into Bootloader
: Reboot into Recovery
: Reboot

Need a Custom Recovery? Go check out these incredible recoveries.
CWM: http://www.cyanogenmod.org/
TWRP: http://teamw.in/project/twrp2
Philz: http://androidforums.com/international-galaxy-s4-all-things-root/733389-philz-cwm-recovery-dummies-guide.html

Rashr: https://play.google.com/store/apps/details?id=de.mkrtchyan.recoverytools&hl=en