Speaking of retention and engagement, there is no clear distinction between the two in marketing apps. They instead complement and also sometimes interchange with each other. You might have your vision, but retention is often all about working with a current user base, which in turn involves a particular strategy and techniques to get them back. To some extent, user retention is difficult to achieve. The mobile gaming app market is brimming with applications, and with each day, they are skyrocketing. Like it or not, but for your own good, you must fight for your user retention.