The biggest problem is going to be people asking where's Instagram, IM services etc. If you know someone who is fine with making calls, SMS, browsing the web and maybe taking a note or making a TODO then it more or less exists for non technical people today. If it's supposed to be a full on Android/iOS replacement then it needs more work.
@MatejLach How is it for downloading and listening to audio? That's a great deal of what I use my phone for.
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