Any bugs in your game would be from the actual Systems and Actions that you have put into your game, which you will find and fix through testing the game for a little while, other than that there are performance tips regarding exporting to Android and its sub categories like Cocoonjs and Crosswalk.
tutorials/432/android-games-with-cocoonjs
tutorials/303/how-to-export-to-cocoonjs
tutorials/781/how-to-setup-admob-ads-on-construct-2-mopub-cocoonjs