As name suggest this App will provide direct access to MTK Engineering Mode Settings. MTK Engineering App gives you freedom to choose your device type then after that you can easily access to your engineering mode or service mode. Additionally this app will provide a list that has all information regarding to USSD Codes or Quick Codes so that you can easily type that code in your dialer pad and manually access that specific service mode. This app is useful for changing your network from 3G to 4