If you're following development of Platdude's Retro Collection hoping for a new batch of great games, then you're in luck! TWO great games have been added, TWO rubbishy games have been added, and ONE more game is being worked on right now, as I type this..
Games 1 and 2 are listed in the official page, the Missile Command and Extract games. Nice, simple, retro, fast and fun.
Game 3 was also simple and fast. It's the usual "Things pop up, then you tap them. You get a minute, score as much as you can" type of game. But it really wasn't all that interesting in the end, so it'll probably be scrapped.
Game 4 was a Donkey Kong esque game. Rather than jump OVER the barrels, you jump on the goomba-esque creatures (The Space Invaders!) and use the higher-bounce-jump to make your way up the level. Sounds great. Unfortunately it turned out to be a very dull repetitive game. Not too sure why! Oh well..

Game 5, currently in progress, really can't go wrong. (Hopefully!)
It's Pacman.
Nice and easy!
Two screens, twice the mazes, twice the bad guys, twice the power pellets.


Kickass!

For those keeping track, I'll probably dump all the failed games together into a super-secret menu, so you can at least get to try them out. And at this rate, I'll probably need more than one!