The following are multi-currency mining platforms and some information about it. The sites listed here are ones that I can vouch for personally from having used them currently or in the past. I will never list anything here that I do not trust.

Site Name Information
MinerGate Lets you mine various currencies via it’s pc app or it’s mobile app. The software used, in personal experience, is very easy on the computer and mobile devices; but keep in mind that the higher the settings, the more power it will drain on the devices.