FYI, he has started rolling out regional pricing and post functionality is enabled in latest update. The original pricing was unreasonable IMO but using the beta status against it is weird when compared to others just because they don't tag those as beta.
Settings shortcut: Comment options > Single click to hide comment
Font typeface and relative size options:
It is still there:
https://play.google.com/store/apps/details?id=com.rubenmayayo.lemmy
Other than the already mentioned points, the old Sync Pro and Sync Dev didn't include the ad libraries in the app. Sync Dev was on beta track by default IIRC and had an internal test group like the current 100 limited users testing group Sync for Lemmy has.
If draft was saved, it can be accessed by tapping the folder icon (by default the 3rd icon) below comment box.
Sync for Reddit also had regional pricing just like that.
Did Boost developer reveal pricing for Boost for Lemmy? It is still showing the pre-registering page for me.