In most refer earn apps, there are a few essential steps in the referral process. Initially, an exclusive referral code or link will be sent by the app to tyono games rummyhe user who wishes to recommend others. The tracking of referrals and ensuring that the original user is credited for successful sign-ups is done through this link or code. A user will usually be asked to enter the code during the registration process when they use the referral link or code to download the app.