New Delhi, Oct. 29 -- The arrival of the Amazfit Balance 2 picks up a legacy built on the solid, stylish promise and practical comfort of the original Amazfit Balance that I also had the chance to review. That predecessor earned its stripes for doing the basics right: slim aluminum alloy frame, featherweight fit, 1.5-inch punchy AMOLED, and a set of health tools that felt substantive for the price. But its ambitions "Zen lifestyle" marketing, a supposed balance between work and wellness, and showy features had some setbacks, such as inconsistent app support, and a sleep tracker with a mind of its own. With Balance 2, Amazfit seems to have returned with a sharper lens. The upgrades are noticeable. Build quality is undeniably improved, ever...