I see video ads have been switched back on. It seems to be working most of the time but I just got this (UI completely unresponsive at this point)
Also having the same problem. Didn't see the X button the first couple times so I went to the app store in order to get out of the ad. I got my rewards those times upon logging back in. The time I used the X button, it hung up just like yours did.
And maybe mine is fully broken now lol... I just tried it again with going to the app store instead of using the X button and now it is hung up just the same. Guess those are 2 rewards I won't be getting