Sable: open the Duo to write a postcard, close it to seal
Zubair Zafar, Z A, Barrat Mohammad and Pranav Sagar's Bitrig Hacks postcard app, shown in animated mockups. Closed, your trip photo is the card's front; open it to write on the back; close it to seal it with a stamp, then tap Send.
By Zubair Zafar Added Original on devpost.com
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The whole wall
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