First, I want to make clear that the bellow posted youtube
channel is not mine.
Also I don't know whether this is considered inappropriate content. If so, the mods are invited to delete this post.
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The topic should be self explaining. Since I could not install mtga via Google Playstore I tried to find a way to install it anyways. And this link is what I found:
https://m.youtube.com/watch?v=Ts0P89FdJyIHe explains everything you need to do in order to install arena on every device (which has 4gb ram or more that is).
And he also provides the necessary files.