Tokens must be traded on exchange with a big liquidity. It must be comfortable to users to buy and sell tokens. Not all the users are professionals in cryptocurrencies.
The choice of exchange for listing it is very important. A lot of depends from the choice of exchange. It is very important that price of the tokens would grow.
The most popular exchange for listing is Binance. As experience show after the listing on Binance the price for the tokens will raise.