When we buy a mobile phone and want to install apps on it, we have to open its store app to find what we want to install and then download it from the app.
Similar to regular stores outside in the real world, stores in platforms give us the opportunity to find and buy things, virtually.
Stores can contain applications, games, albums, movies, and even books, both free and paid.
Free items in stores can easily be downloaded on mobile devices, and paid items must be paid for before they can be downloaded.
Some of the paid items—if the publisher allows it—can be tried inside a trial period.
Each store has its own process for approving or rejecting an application's distribution. There are two types of approvement process: pre-moderation and post-moderation.
Apple and Microsoft use the pre-moderation process, which is where an application needs to be tested and approved before it can be findable in the store.
Google, on the other hand, uses the post-moderation process, where an application...