Hi. I use GB Studio 2.0 for development, but unfortunately it cannot export .pocket files. I've seen some attempts at converters, but since I don't have an Analogue Pocket, I can't test them and therefore wouldn't post anything like that.
Viewing post in Dr. Franky and the Monster comments
Hi. you can export like they say but not sure from what version it works: https://www.gbstudio.dev/docs/build/