The easy way is the same as you download applications in general even though they don't come from the Google Play Store. The next method which is quite complicated but not difficult is to install the X8 Sanbox apk on your Android smartphone. The method is indeed longer than the application downloaded from the Google Play Store but it is not difficult to install. Such as the following: - Go to settings on your smartphone - Then go to the security features section - - Click the check mark on the unknown source feature - After that, open your File Manager - Find the pre-downloaded X8 Sandbox app - Click the file if it is found - Select install - Wait until the installation process is complete After everything is installed properly, you can immediately use it to play games. Besides being able to be used to play online games, this X8 Sandbox application can also be used to play offline games as well.