You are Lieutenant Ricky, the tank commander, and you were instructed to take part in a massive attack on the enemy. But the enemy leaed about your plans, and your team is in the rear, all units are destroyed, and the only survivor is the crew of your tank. In the full circle of the enemy you decide to keep your team, and the only way out is to make a breakthrough. Save your team and reach the end, why would not it cost you.
After the download is complete, the downloaded file will be displayed in the notification shade (top), and will also be located in the "Download" folder (any file manager )
Install the downloaded APK file using any file manager or by clicking on it (on the downloaded file) in the notification shade
If you are installing apps for the first time not from Google Play (but using a file manager or browser), you will need to grant the appropriate permission. This is done only once.
If the file was downloaded with the bin extension, then there are 2 options:
Change the extension of the downloaded file to apk using any file manager ("rename" function)
To update the application, install the new version of the application over (without deleting) the old one.
This update will only be possible if the previous version of the application is downloaded from us. Otherwise, there will be a signature conflict and you will see the message "Application not installed".
For what "Signatures" are and what they are for, read here.