You're claiming "no pre-mine" but you posted it here around 9 hours ago and the first block you mined was on 30th of august that means you've pre-mined it for more than a week before sharing it here. How is this a fair launch?
The only downside of a miner running on phones is the battery life, but as you said that it will only consume around 1-2% per day then this can be a way forward in achieving true decentralization.