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.
LockTrip is a blockchain-based travel marketplace that allows users to save on average 20% on their bookings by cutting out middlemen. Every booking burns LOC proportionally to its booking value, continuously reducing its total supply.