Thread:Neo34/@comment-27334049-20160429201138/@comment-28625332-20160430082513

You might find that the hardware of a really old laptop isn't up to accepting Windows 10, and at the moment there isn't a glitch to exploit in the Windows game version that permits "special" gifting between friends. Android only "opened up" with the Spring Festival update (and it may well disappear again with the next).

androidcentral.com maintains a list of devices that can be rooted. My Nexus 7 (2012) is now in their legacy device section. The process was fairly easy with the Nexus but I believe it's getting harder to do with more modern devices and always runs the risk that you end up with a "brick". Possibly best to experiment with a cheap second hand device that may already have been rooted?

You are correct that you're not forced to update the current game version on Android.