That would be very interesting and innovative. I would also be very interested in how effectively you can mine with a smartphone.
Meanwhile, you get relatively good smartphones with good components for very little money. Let's see what the future brings us.
Right now you can only mine virtually through some app on the mobile phones. That concept is giving you delusion about the mining capability of your smartphone. Even some of the better computers with low hash power cant mine properly and the smartphone that isn't capable of the mining operations can only be burned in the end.
Maybe the future will for sure change the things which are not yet capable of providing us with the proper hardware in a small package. I would also like to mine when mobile in the future but I think we have to wait for a long time for that event even to come because of today even the 1 miner cant do the mining properly without the mining group.