Other upgrades are minor, unless you really, really like easier access to action and navigation drawers. However, the biggest gripe may simply be finding a device to use with the preview. The software-based emulator will work on a computer, but you'll need either a Huawei Watch or the LG Watch Urbane 2nd Edition LTE to try this beyond your PC. Otherwise, you'll have to wait until the fall to see what all the fuss is about.