Delphy is a mobile platform for prediction markets built on Ethereum as a DApp. In fact, it is a light Ethereum client running on mobile devices. Its born decentralization ensures that prediction markets are hard to manipulate or shut down, and there is no need to trust one single entity.
NewYorkCoin is a clone of Dogecoin that was established in March 2014. The coin has gone through a revival after dormancy of development starting in January 2018. It is a retail focused cryptocurrency.