Sale of games for Android with source codes and metadata. Games that pay off in a year, and with the right approach to monetization and promotion, it is even less than a year. During this time, your investment will return to you, and you will begin to make a profit. You do not need to sit all day writing code, everything is ready.
Create a developer account in the Google store, place purchased games there and, at least once a month, promote your games (ads, ads, social networks, forums, etc.). Everything.
At the moment, all games are in the store Google Play.
When writing code, libGDX libraries and Unity 3D program were used.
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