The search results indicate there are other, distinct applications named "App Booster" which are used for cleaning junk files or improving phone performance, and should not be confused with this app promotion tool.
If the APK asks for access to your contacts, SMS, or bank details, it may be malware . appboost.global apk
If you found "appboost.global" as a standalone APK file on a third-party website: App Boost - Apps on Google Play The search results indicate there are other, distinct