Actions were not working on the android app. Known issue for a long time
https://community.openai.com/t/gpts-custom-api-calls-not-wor...
I did the same solution described above - Bookmarked the custom GPT, added to home screen and would run it in browser.
It seems to be working now. So I can start building out custom GPTs, share with my clients and not have a big training piece to onboard them.
Edit: https://chatgpt.com/g/g-697edc35e2888191a331217cd0483a67-men...
Take a pic of a menu and create a group meal/degustation for your budget.