Apk extractor from F-Droid doesn’t seem to work. App in question is Typewise Offline (android keyboard with hex-shaped keys).
EDIT: Probably worth a separate post at some point, but this is one of the few apps for which there is no open source equivalent, TTBOMK, and one of the few remaining proprietary apps that I rely on.
I just discovered that myself! I had everything Google-related that I could find on my phone disabled, which is why I couldn’t figure this out right away. When I enabled Google files, I was able to go to Apps and download the apk by sharing it. However, it won’t install on my wife’s phone, which makes me think that when I switch to GrapheneOS that it may well not work there either. In any event, I won’t have any scruples pirating it since I already paid for it!
Just tried it on GrapheneOS and it worked perfectly. You should be good to go
🙂👍