Can you try if it works when sharing with WhatsApp?
I don't seem to be able to install WhatsApp. Maybe because my tablet has no phone number? I'm not sure.
Edit: that's exactly the reason. An app which aims to give you free calls and text messages requires that you pay for a call and text messaging service? Seems kinda silly:
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NO ADDITIONAL FEES: WhatsApp uses your phones Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to message and call friends and family, so you dont have to pay for every message or call.
