I have a DSi AK2i AKAIO1.6RC . It freeze whenever i touch one of these cards :
Bee List Soldier
Hydra viper
Alien overlord
Alien Ammonite
Dark strike fighter
Blackwing Armored master
Hyper Psychic blaster
Arcanite Magician
Cosmic fortress golga
Prevention star
Blackwing Shura the azure flame...
I've owned both iPhone and Androids over the years. Both are just as good, other than Apples higher price. I'm currently on Android, Samsung S21 I think, and very happy with it.