SMARS App aims to make it easier for you to build a SMARS robot included of instructions, coding Arduino and Android remote control interface for playing with fun. Features: - Easy Instructions - Full source code - Various remote control interface - Upload code via USB OTG - Upload code over Bluetooh HC-05 - More than 20 Mod Tutorial: https://www.instructables.com/id/Upgrade-Motor-Shield-for-SMARS-Robot-Arduino-Uploa/