Its really very good and solid idea that we can mine coin with our smart phone. But I've some doubt about the chance of getting profitable. Cause if we mine coin with smart phone then it may become very hot and for which our smart phone may get damaged.
yes phone got heating and batery consumted. phone are different than pc have cooler system with good air circulation. phone don't have that.
POS is good for phone when to use for mining not for POW.