Copy Pasting OP long-term MAME Contributor MameHaze from here:

https://www.reddit.com/r/emulation/comments/1ks52p4/new_jakks_pacific_plug_and_play_games_to_be/

Over the last week a number of previously undumped JAKKS Pacific Plug and Play units have been dumped by TeamEurope the same techniques developed a few months ago. These will be supported in the next version of MAME

https://www.youtube.com/watch?v=-3Bv1HpiyY4

The Amazing Spider-Man in Villain Round-Up

https://www.youtube.com/watch?v=F5NheliPLg0

Marvel Heroes: Ultimate Action

https://www.youtube.com/watch?v=AZiNEohWcDo

Shrek / Over the Hedge (with bonus SpongeBob Dilly Dabbler footage)

https://www.youtube.com/watch?v=tS4NhOW8e9w

Arcade Gold featuring Pac-Man

https://www.youtube.com/watch?v=_FmyNsln0m0

Retro Arcade featuring Pac-Man

https://www.youtube.com/watch?v=zhq4jBmucLQ

Super Pac-Man Collection

https://www.youtube.com/watch?v=g6QtRgqhUqU

Disney Princess Magical Adventures

https://www.youtube.com/watch?v=wIJO-XKBmPk

Cinderella - Once Upon a Midnight

https://www.youtube.com/watch?v=IeBC8M9O-UY

Sleeping Beauty - Tales of Enchantment

https://www.youtube.com/watch?v=rUM1HEsBqCQ

High School Musical

I've also been improving MAME's VT369 (enhanced NES clone hardware) This progress may or may not make the next version.

https://www.youtube.com/watch?v=b3ZdMv4q5Bs

Various VT369 based Disney Handhelds and other bootleg-like multigames

https://www.youtube.com/watch?v=7P6cDzT12WU 'In a Tin' VT369 based games