Is this Retro Game Console in a Stick any good?

This retro game stick plugs into your TV, includes wireless controllers and claims to have 20,000+ games from 80s and 90s consoles and classic arcade machines.
Is it the ideal Christmas gift for the retro gamer?
Will it bring back the golden era of arcade games and old-school consoles?

MAME, Atari, PlayStation PS1, Nintendo NES, SNES, Game Boy, GBC, GBA, Sega MD

00:25 Unboxing
02:35 Set-up and start-up
04:45 Galaga on the TV
06:00 A selection of games
06:20 - Chuck Rock
07:14 - Doom
08:37 - Defender II
09:35 - The Legend Of Zelda (ALTTP)
11:02 - Hellfire
12:16 - Super Mario
13:06 - Elite
14:42 - Angry Birds
15:29 - Tekken
16:29 - Splatter House 2
17:52 Conclusions