It’s a PC and Xbox One title from 2016. Any website claiming to offer an Android APK + OBB file for this game is almost certainly fake, and likely contains malware, adware, or data-harvesting scripts.
I saw “Forza Horizon 3 APK + OBB” on a random download site and got excited. The file was around 1.2GB — way smaller than the actual PC version (which is ~50GB). I installed the APK, moved the OBB folder, and opened the app. Forza Horizon 3 Android Apk Obb Download
I understand you're looking for a review of "Forza Horizon 3 Android APK + OBB download," but I need to give you an important heads-up first: It’s a PC and Xbox One title from 2016