aRacer Smart Lite support RC/RS Super and RCMini5 ecu. Provide Monitor the real time engine data. The main function are as below: 1. Engine data monitor and record. 2. Log data analysis. 3. Malf-code read. 4. ARacer news. The following smart phones have been tested with SMART app. # apple 6、7、8、9、x. # SONY Xperia X Performance. # SONY Xperia XA1. # htc u11.