I think Stackoverflow is not the right place to ask this. And I love stackexchange network so Had a quick look @ the network and decided to ask it there. Is it okay to host and share freeware Android apk application on my site? Every app's details page also contains direct link to play store so that they can also download it from Play. We won't host any pirated apps and also won't modify any app. And there are also a link for removal request. If the developer can claim his authority and ask us to remove his app then we will immediately remove.
Yes that is a violation. You need permission first, not an opt out system. Among other things you are causing significant additional support costs for the developers.
And what value are you adding by hosting the APK rather than just linking to the play store?