I made a PSPgo micro sd card adaptor, and so can you! Maybe, well, probably not, it's not easy. : r/PSP
PSPGO M2 Memory Card Dummy Adapter on Sale - Hackinformer
Max memory card size for GO - wololo.net/talk
Memory Stick to M2 (PSP Go) adapter now available! | GBAtemp.net - The Independent Video Game Community
Funturbo PSP Memory Stick Adapter, Micro SD to Memory Stick PRO Duo MagicGate Card for Sony
Pro Duo adaptors : Important speed discovery!!! : r/PSP
Amazon.com: 4GB Memory Stick Micro Media + M2 Duo Adaptor : Electronics
Peter McDaniel on Twitter: "Upgraded my #PSP Go tonight. I really didn't want to lose anything on my 8GB card but I didn't want to pay upwards of $40 just for 16GB.
Micro SD memory card adapter PSP Go console - black | Genius Game Mods – ZedLabz