RUON is going to be on the BEOS blockchian, which is a fork of EOS. It is a middlechain between Bitshares and EOS. RUON is another appealing application focusing, it looks like, on mobile. The project is concentrating its efforts on providing money to the 3rd world and ending global poverty.

There are going to be many of them appear on the scene over the next couple years. As we see with Steem, it is highly likely there are a number of ones one each blockchain.