Citrine:
No way to know what connections are or what subscriptions mean.
Information ! icons don't have any info

Amber:
Could use an in app tutorial. 
It isn't self evident what things like the upper right relay button are for.
Not clear how the relay settings should be set.
Not clear if you need to enable or disable connection listening, what does that mean?
Not clear what use secret connection is or does?
App doesn't make it clear what to do with the bunker.
Never seen anything show up on home screen. When would there be something to approve?