The official English version is available on Steam , Nintendo Switch , and PS4 . An official Japanese Android port existed years ago but is no longer maintained or available on the Play Store, and it required a separate purchase.
However, I need to give you a crucial heads-up before completing that post: clannad visual novel apk
It looks like you're trying to complete a search or post title for Clannad — likely looking for an Android APK file of the visual novel. The official English version is available on Steam