How to create a simple analogue of viewneo for android?

Question

Android

How to create a video player in full screen, automatic video playback and so that it would not be possible to exit the player, only with a password

Answer 1

so that it would be impossible to leave the player, only with a password

Any application can be minimized with the home button.
There is only a launcher to write.
//and also read Rosenthal!!1