As part of the 25 Days of Pogo celebration, Pogo is offering us (3) Extra Ball, Extra Green Peg and Extra Purple Pegs power-ups in Peggle Blast HD!
All power-ups are have already been added in-game.
https://www.pogocheats.net/forum/index.php/topic,53519.0.html
Thanks. I never use them in this game but nice to have 'em, I s'pose.
I think I've used the extra green peg once to twice.