There is no Google Play App for the original Apple TV, but you can still watch Google Play movies using Youtube. When you do a search in Youtube, any movies that you have purchased in Google Play appear in the Youtube search results. So even though Apple TV does not have a Google Play App, you can still purchase or rent a movie from Google and watch it on your Apple TV. Google suggest a way to do it by streaming the movie from your phone, but a far better way is to watch the movie directly in Apple TV via the YouTube app. Here’s how.
I’ve removed this entry as it’s against the youtube terms and conditions to download any video from youtube even if the author of the video says you can.
So if you want to share a video put it on Vimeo, not youtube.
To download from other sites check out this site:
or try this app: