Buying the best Android Wear smartwatch can be a difficult task, with a grand total of 19 different devices now hitting officialdom. Or 21 if you count different sized models. Or just 10 if you take away the one that got cancelled (but then relaunched). See, we told you it was confusing. Google's smartwatch OS is a hotbed of wearable innovation, with updates constantly arriving offering the likes of GPS, offline music and Wi-Fi connectivity. And getting to grips with the platform can be tricky, so when you do bag yourself a brand new smartwatch, make sure you check out our Android Wear hub of tutorials to help get the most from your device.