Yes, it's totally safe and legal to download and install these apk files as they are fully authorized app format. In case you want stunning games and apps on your phone, you probably need to install these files. Some of these apk files are not available on google play store, so you need to download it from other sources e.g. apkupdated.com with full trust because we have uploaded 100% working and tested Mod Apk apps and games.