This document describes how an Android app called DG app allows users to earn money through affiliate marketing. It works by having users complete tasks like installing other apps. Users can then refer friends and earn a commission on their tasks. Commissions are paid out at different rates depending on the user's level, with the top 19 levels receiving a share of earnings. Users are ranked based on their referrals, with rewards including electronics, seminars, and cars for the highest ranks. The app plans to expand its services to include bill payments, travel booking, and financial services.