1. They are a SCAM
2. Not yet listed in an exchange
3. Doesn't have a place to use the token
4. Only can be used in the companies services
Keyi Store is an eCommerce store that accepts all cryptocurrency. There is absolutely no charge to be listed in their Store. They do have a minimum requirement which is really minimal:-
1. 2000 active members (no bots, fakes etc)
2. If the coin is inactive for 20 days, it will be removed.
They absolutely have no charge for ERC20 tokens, but if any other token needs to be listed they have a $100 charge. The charge will be removed if the company has its own payment gateway.