Oh it looks like the love2d was taken off the play store since I last checked. Some phones can be a pain to get them to install APK files, you may have to find a guide for your specific model. Once that's done if you try to open the .love file it should give you the option to run it with love2d.
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I don't have enough experience with getting it to run on mobile to give great advice, but if you don't have a file browser to run the .love file from, you should be able to find it in your downloads to run. I'm not sure if there's a way to create a shortcut to a file or something to make that easier. I can look into creating a mobile build though.