When enjoying Bingo Plus, make sure you download the app from a trusted source...

https://touch-wiki.win/index.php/How_Do_I_Avoid_Leaving_Bingo_Plus_Logged_In_on_a_Shared_Tablet%3F

When enjoying Bingo Plus, make sure you download the app from a trusted source to keep your info safe. Be careful with the permissions you grant—only allow what’s necessary. Never share your passwords, PINs, or one-time codes with anyone