Yes , Phoneum is said to be only Mobile Crypto-currency . No ASIC, GPU or CPU mining. It will only run on mobile phone.
Electroneum was also said to be mobile mining crypto, but later it was change to simulation mining on mobile devices, later allowed ASIC minner.
But phoneum website claimed this will only be mine on mobile devices, hope they stick to their words..
Their ICO will begin tomorrow, anybody interested can goto thier website.
https://phoneum.io/
Good Luck God bless