Per the Lego Education Website:
Tablet-based software supporting LEGO® MINDSTORMS® Education EV3 will be available soon!
At the BETT Show in London, LEGO® Education demoed the new LEGO Education EV3 Programming App for use with the LEGO MINDSTORMS® Education EV3 solution. The EV3 Programming App is a simple and effective way for classrooms to get started with EV3 within a 45-minute classroom period. The combination of the physical EV3 robot and app provides educators with the tools needed to engage and motivate their students and opens up the possibility of expanding the EV3 experience to the more extensive computer-based edition of the EV3 software. Currently, the app is compatible with iOS-based tablets and will be available in English in March 2015 via the Apple iTunes App Store and LEGO Education downloads.
LEGO and MINDSTORMS is a registered trademark of LEGO.