This document provides a 4-step process for making money on mobile: 1) Get an audience through ad networks and targeted campaigns, 2) Create users through single-click signups using phone numbers to reduce barriers, 3) Make money by charging users small amounts through their phone bills which are collected and paid out after 45 days, and 4) An example of generating over £100 in 24 hours and £3,000 per month through a "Win an iPad" promotional campaign using this process.