Help – playable PRO - Play almost anything video player Review

I got this app on my new phone and it won't let me connect to Dropbox. However on my old phone after I installed it it just connected. I have the Dropbox app even installed. When I go to try and use Dropbox it gives me the error : This url is not valid. App secrecy may be configured incorrectly. Please help us.
Review by J-L1234 on playable PRO - Play almost anything video player.