Token Sell Nob question

Hi there I’m a nob on the coin market and specially when it’s about trading and selling tokens and coins.
Here is the situation I currently hold a large number assets of the token called NOMNI … but because I’m a big nob I have no idea if 1.- This token can be exchanged, selled or convert into either XCP coin or BITCOIN my main intention it’s to cash them.
2.- if so what platform, wallet, market etc…should I use. I currently use freewallet and indiesquare apps…please if anyone can help with my question I would really appreciate the help.