Functions of this interface are as follows:

No root required Personal dictonary
Spell checker
Printing Settings
Trusted Credentials (disable security certificates)
Apps with Usage Access
Smart network switch
Common data service
MTK engineer mode, MTK logger, Location EM2, YGPS
Root required  


      Due to system settings are os-version- and vendor-dependent, not all functions will work properly on your system with different Android or patch versions.