Referral yes:
https://noise.cash/u/FriendlyMoose
Mobile app too, but it's just the browser version in an app. Nothing more.
Just try and see. My advise would be to join the moderated photography and/or clicks&shots channels because they have a lot of members. That gives your photos more view than just posting in tour stream without any followers.
Okay cool. I tried to join today but it wouldn't let me because my Gmail account has a period in it. All of my accounts do, so I might be out of luck.