RetroWatch: smart watch client description

RetroWatch is open source smart watch project using Arduino and Android.
This app only supports Android v4.3 or over to enable Notification service. If you are using Android under v4.3, search [RetroWatch LE] at PlayStore or use below link. But RetroWatch LE doesn't support Notification service.
https://play.google.com/store/apps/details?id=com.hardcopy.retrowatchle

Check details about RetroWatch project at below link:
https://github.com/godstale/retrowatch