Wings now have its own blockchain or still is ethereum platform? Or any plan for its own blockchain
Wings at the moment is fully working on the ethereum blockchain and will remain on it in the near future. But it was announced that it is possible to switch to RSK
https://www.rsk.co/we no longer plan to use RSK, this has been said here many times. the issue was primarily around security of the Ethereum chain after the DAO incident, which is no longer an issue.
most ICOs use Ethereum and since WINGS needs to be on the same chain as these ICOs to resolve the forecasts there is no rational reason to use anything else...