Decided to fire up the Android emulator and check this out... seems like it is a "re-badged" wallet app that they're trying to disguise as being a "Trezor" app.
This is the icon that it uses:
This is the splash screen when you start it up:
And the wallet app after "registering":
A bit of digging on Google and I found this:
https://codecanyon.net/item/coinwallet-cryptocurrency-android-wallet-app/21561271Seems you can just "buy" the template and create your own wallet app
For the record, the app is pretty broken and doesn't really work very well... after trying to copy the address to the clipboard... it seems to put the username into the clipboard??!?