If the token has already been distributed then you will see a zero ETH "outgoing" tx inside your ETH wallet. If you click on the details and follow the etherscan link you will be able to see which ICO these tokens belong to. Add this token wallet (scroll all the way right inside your ETH wallet and add that token to your favorites by clicking the "+") and you will be able to fully interact with it. Improved functionality will be introduced soon to auto-detect distributed tokens and auto-enable the integrated token wallets.