Hello there, yes you can perform your runs in the latest version too. Please kindly mention the version number in your run description while submitting it. Thank you.

No problem! :)

Hello there. Yes, Rovio has removed the original Angry Birds games from the play store. You can download the game with the mods using Google Chrome. Here is a tutorial of mine on how to download any removed games for free and yes, my video is age restricted for a very good reason or else it would've been claimed, so yeah :/

Click on Watch on Youtube to see the tutorial. I hope this helps. Have a good day.