I have created an app for use in mobile phones and I intend to make the app available for sale. From my research, there is no other app that looks like mine that I've heard of, there is an old nintendo 64 minigame that is a LITTLE similar tough. I heard most top apps aren't copyrighted and haven't had any legal trouble.
I am not interested in stopping people from copying my app idea, everyone can copy me, I really don't care about that, but I am really scared that someone sues me for "copying" his/her idea because she/he has a similar idea copyrighted, or that someone patents/copyrights my app as his/hers and claims ownership of it.
Is it necessary to patent a video-game app before sending it to the app store and/or play store?