Your comments

Is that always happen ? I can't reproduce on my device

Well, you must turn vibrate switch on, just turn it off.

No data used when playing downloaded videos
You can subscribe to dbz.tv from Dailymotion follow steps: Tap top left "+" , click Channels, locate to "Dailymotion: user name", enter "Dbztv152plus", click Subscribe, back to MediaBurner main screen, you will find dbztv152 latest videos. I also like Dragon Ball when I was a kid : )

Sorry, I dont understand you, would you tell me more detail?

It's not the app versions problem, click the title of video you download failed and click "show error", send me the error text.
No, it's not the app versions problem, click the title of video you download failed and click "show error", send me the error text.
I really want to do that, but Apple not allow