A:AnswerHello. Yes you should be able to connect your Roku TV to it. My only advice would be to monitor the data rates per hour. I used it for live streaming at a picnic event for several hours and I still had plenty of data left. Hope this helps.
A:AnswerI think it is locked to the Simple Mobile network - but with that I think it is usable in Europe. I have the same question as I am heading there later this month.
A:AnswerNo. It works independently. Actually it effectively takes the place of the cell phone provider to provide wifi to devices via hotspot, which most devices açcept.