T-Mobile Content Transfer apk content rating is Everyone and can be downloaded and installed on android devices supporting 19 api and above.
"T-Mobile Content Transfer allows you to easily transfer your contacts, pictures, videos, music, messages and more from your old phone to your new phone. Simply download the app on both phones, follow the prompts to connect the phones and transfer your content via Wi-Fi. You’ll be provided the total transfer time and you have the option to transfer only the content that you need now. When you pair the phones again and restart the process, any content previously transferred will be skipped."