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LG Optimus Vu II: Vu: Talk Real-time Handwriting Communication application video
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Here are the 3 steps for handwriting communication :
Step 1. Launch Vu: Talk during a call
Step 2. Enjoy drawing with your friend
Step 3. Check your Vu: Talk in the Notebook app
Optimus Vu II's Vu: Talk gives more additional features such as attachment of images, maps and stickers various background styles. Enjoy!