Auto installation step:
1. Execute "Install.bat" for MS-Windows.
2. Execute "Install.sh" for Linux.

Manual installation steps:
1. adb root
2. adb install -r RtkWiFiTest_20150609A.apk

P.S. 
1. RtkWiFiTest.apk supports both MP test, CTA test, and CMCC test functions.
After installed, you will see a "WiFi Test" App with Realtek icon on the phone.
