Taking a closer look at similar console and portable games. Hope others will share?

First off:

Activision Anthology
Playstation 2
Over 45 games including: Atlantis, Barnstorming,  Baseball, Beam Rider, Boxing, Bridge, Checkers, Chopper Command, Commando, Cosmic Commuter, Crackpots, Decathlon, Demon Attack, Dolphin, Dragster, Enduro, Fishing Derby, Freeway, Frostbite, Grand Prix, H.E.R.O., Ice Hockey, Kabobber, Kaboom!, Keystone Kapers, Laser Blast, Megamania, Moonsweeper, Oink!, Pitfall!, Pitfall 2, Plaque Attack, Pressure Cooker, Private Eye, River Raid, River Raid 2, Robot Tank, Seaquest, Skiing, Sky Jinks, Space Shuttle, Spider Fighter, Stampede, Starmaster, Tennis, Thwocker, Title Match and TomCat: F14

Activision Hits - Remixed
PSP
Includes 40+ games: Atlantis, Barnstorming, Beam Rider, Boxing, Bridge, Checkers, Chopper Command, Cosmic Commuter, Crackpots, Decathlon, Demon Attack, Dolphin, Dragster, Enduro, Fishing Derby, Freeway, Frostbite, Grand Prix, H.E.R.O., Ice Hockey, Kabobber, Kaboom!, Keystone Kapers, Laser Blast, Megamania, Moonsweeper, Oink!, Pitfall!, Pitfall 2, Plaque Attack, Pressure Cooker, Private Eye, River Raid, River Raid 2, Robot Tank, Seaquest, Skiing, Sky Jinks, Space Shuttle, Spider Fighter, Stampede, Starmaster, Tennis and Thwocker

Both include bonus unlockables: commercials and the various patches that Activision awarded.
Both have an 80's soundtrack.

Playstation 2 version has a few extra games like Baseball, Commando, Title Match Wrestling and Tomcat: F14 Flight Simulator.

PSP version overcomes any shortfalls in being vey button friendly. Even Decathlon was a breeze to play.

Two similar games only just a little different in size.