A free program for Android, by Betty enterprises.

This is a tool for generating, analyzing, changing and searching IMEI numbers. It also works as an IMEI checker for instance when purchasing a new phone, one is needed to verify his phone IMEI number to ascertain the device in case of fraud, theft, unpaid bills, a notification will be sent to the device for verification of the IMEI in case of it being blocked or blacklisted.

In the device settings, this only applies to specific kinds of devices.

MTK Engineering is a hidden settings on your phone where information about the phone is found, for example, phone information, usage statistics, Wi-Fi information, battery information, such as power plug, battery level, battery scale, battery temperature, among others.

The app also works as a premium tool which you can access if you pay.