you can convert the token thru trading if hits in a exchanges
You should find platform where your tokens is trading, then just transfer you tokens there and sell them.
to get value from your tokens , wait for it to be listed on exchange then sell it , or you can use etherdelta and trade it.
There are some sides that allow to change tokens into coins, so just find webside that has your tokens and crypto which you want to have.
This is why getting involved in bounty campaigns or chasing tokens is worse than getting paid from faucets. There is never a guarantee that your tokens will even be worth something, let alone redeemable or able to be traded for Bitcoin or one of the other majors.
ERC20 tokens are slightly better, but it still requires that an exchange want to convert your tokens to Ether...which is usually rare.
Stick to the top 5-10 currencies and forget the rest. There is no get rich quick option...even those that got in on Bitcoin in the early days had to wait 7 years for it to hit the levels we see today, the levels we all thought were possible.