Please see the sections below for the MEMS 1.2 ECU
The most up to date application is here for Windows/Linux
This is a web based application that works in Windows/Max/Linux computers or laptops
The Android app works with MEMS 1.2 ECUs while using an appropriate cable.
The cables are full size USB so you will likely need to buy an "OTG" adaptor that fits between your device and the USB cable.
Android app in the Google Play store
In case you are a programmer or would like more info about communication with the ECUs for diagnostics, here it is
Connect at 9600 Baud rate, 8 bits, 1 stop bit, NO parity
"Normal" serial communication - ECU has a TX and RX pin, plus a signal ground
Shared data packet format with 1.2/1.3/1.6/1.9 ECUs, see The technical page