Node.js real-time, multi-user chat (paint)

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
Similar to this opensource project I need a chat-paint application based on nodejs, Where users can paint and chat on realtime.

see the attached wireframe.
users paint(just draw using mouse. no need paint tool box or color box, no eraser) in transparent layers over the iframe. (example of layer:
the application should be mobile & tablet friendly(iphone & ipad). users should be able to paint on ipad

all chat & layer history should be recorded in database(mysql)

Skills required:
AJAX, HTML5, node.js
Additional Files: nodejs-chat.png
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