As far as I know, quality picture should be accepted. As this project adopt the blockchain technology which the social platform that allows us to receive rewards in cryptocurrency for social activities related to publication and distribution of visual content.
Yeah I think you will also need a good camera like DLSR or go-pro camera to be able to qualify to work at SELFLLERY because it's also a serious business.
It's not true although high quality photos are appreciated of course. SELFLLERY aim to remove barriers for people and not put them, therefore you only need smartphone with good camera just like when you post your photos on Instagram. It's not going to be like those photo stocks websites that requires to upload only photos that meet certain quality standards.