@domubpkm I think Dekko 2 is currently not actively maintained.
I guess we would need a team who wants to takeover the project.
You can track issues and features requests here, but since a few months everything seems to be in standby...

https://gitlab.com/dekkan/dekko/-/issues

@fp2andfp3-user I had troubles with Camera, Calculator, Notes, and a few others (don't remember exactly). I had to reinstall UT.