I have got myself a new mini sd card today. Everything is working as it should be.
I have tested these Games with the
GBARunner File Explorer Version from 2017/02/12:
Babar to the Rescue (E): I get an Black Screen after selecting a File. You can hear the Music playing.
Unplayable.
Back to Stone (E): I get an Infinite BIOS reboot. Unplayable.
Backyard Baseball 2006 (U): Almost Full Speed with some Slowdown.
Very Good Audio with a little Noise. Some Gfx Glitches.
Very Playable.
Backyard Basketball (U): Full Speed. Very Good Audio. Some Gfx Glitches.
Very Playable.
Backyard Football (U): I get an UNDF 020B5594 Error after the BIOS Intro. Unplayable.
Backyard Football 2006 (U): I get an UNDF 020BC8E4 Error on the Touchscreen after the BIOS Intro. Unplayable.
Backyard Hockey (U): The FMV Intro is working. Full Speed. Very Good Audio. Some Gfx Glitches.
Very Playable.
Backyard Skateboarding (U): The Game has much Slowdown.
No Audio. Much Noise. Some Gfx Glitches.
Playable.
Backyard Sports - Baseball 2007 (U): The Game has much Slowdown. The Audio has some Noise. Some Gfx Glitches.
Playable.
Backyard Sports - Basketball 2007 (U): Full Speed. Very Good Audio. Some Gfx Glitches.
Very Playable.
Backyard Sports - Football 2007 (U): I get an UNDF 020BF684 Error on the Touchscreen after the BIOS Intro. Unplayable.
Barbie - The Princess and the Pauper (E): Full Speed.
No Audio. Much Noise. Some Gfx Glitches.
Very Playable.
Barbie and the Magic of Pegasus (E): Full Speed.
No Audio. Much Noise. Some Gfx Glitches.
Very Playable.
Barbie as the Island Princess (U): Full Speed.
Good Audio with some Noise and stuttering. Some Gfx Glitches.
Very Playable.
Barbie Diaries - High School Mystery (E): The Game has much Slowdown.
Good Audio with some Noise and stuttering. Some Gfx Glitches.
Playable.
Barbie Groovy Games (E): Full Speed.
No Audio. Some Noise. Some Gfx Glitches.
Very Playable.
Barbie Horse Adventures - Blue Ribbon Race (U): The Game is Very Slow. Good Audio with some Noise and stuttering. Some Gfx Glitches.
Unplayable.
Barbie Horse Adventures (E): The Game has much Slowdown. Good Audio with some Noise and stuttering. Some Gfx Glitches.
Unplayable.
Barbie in the 12 Dancing Princesses (E): Full Speed.
No Audio. Some Noise. Some Gfx Glitches.
Very Playable.
Bass Tsuri Shiyouze! - Tournament ha Senryaku da! (J): Full Speed.
I noticed some Screen tearing during fishing. Very Good Audio. Some Gfx Glitches.
Very Playable.
Battle X Battle - Kyodai Gyo Densetsu (J): Full Speed.
Very Good Audio with a little Noise. The Gameboy Sounds are missing. Some Gfx Glitches.
Very Playable.
BattleBots - Design & Destroy (U): Full Speed. Very Good Audio. Some Gfx Glitches.
Very Playable.
BB Ball (J): I get an Pref 25004008 Error on the Touchscreen during the Intro. Unplayable.