Ok ill donate another 10 more dollars as well :D
I figured it out :D you have to go into settings, then send & receive, and change the mail size limit. The default is at 5kb, which is only text. If you change it to maximum size it will even show pictures. You have to reset app after you change ...
It let's you download YouTube videos to any location you want in any of the available formats including 1080p... you can download the latest version from their original site: