Neptune Computer, founded by 19-year-old Simon Tian, has raised more than CA$250,000 since launching a 33-day Kickstarter campaign for its Neptune Pine smartwatch on Monday with a target of $100,000. The smartwatch supports 2G, 3G, WiFi 802.11 b/g/n, GPS and Bluetooth 4.0. It runs a full version of Android Jelly Bean 4.1.2, and it has…