You can find various articles below that will explain how to properly get your token, NFT or project listed and shown on apps.
A three step guide on how to put metadata about your token into a .toml file, publish said file and link it on the XRPL.
A guide on how quickly gain a basic level of trust and get your token's icon shown on most apps.
Explanation of the special trust levels two and three, and how to increase your chances of achieving them.