There is no official standalone APK for "FNaF 4 Halloween Edition" on Google Play. The Halloween content is unlocked in the paid FNaF 4 app (by Scott Cawthon / Clickteam) via a free update.
The is a special non-canon reskin of the original game. Fnaf 4 Halloween Edition Apk Free Download Android
do not include the separate Halloween version. Instead, they incorporate specific Halloween elements (like Nightmare Balloon Boy ) into the standard game or unlockable extras. Halloween Features in the Game If you have the standard version of There is no official standalone APK for "FNaF