Very interesting tool. So this is for appimages but also binaries?
Anything portable.
Thats not a sandbox, its a nice wrapper for firejail,
aisap uses bwrap it is mentioned in both links I gave you.
appman used to have firejail sandbox but it was dropped in favor of aisap because of that.
https://github.com/mgord9518/aisap/blob/main/profiles/profile_database.json