: If you haven't downloaded the game before, you'll see a "Get" button. Tap on it, and then tap "Install" if prompted. If you've previously downloaded it, you might see a cloud icon indicating you can download it again.
Bandai Namco (the license holder for Naruto games) has the right to issue a DMCA takedown to the developer at any time. This is why the game is not on app stores. If that happens, the download links vanish. How To Download Nindo Shinobi War