Everything you need to do is post notes, photos and videos of one's product.
Don't toy with users' expectations continuously changing fonts, colour schemes, system design, etc. If a company can't offer you at least 2 or 3 references, then it might not include of a good idea to use them. https://www.Fairviewumc.church/bbs/board.php?bo_table=free&wr_id=7101269