For me Watchify is not stable and not respect the normal Sony notification system. I use the standard "Watchit"
and more others app : evernote, google task, any.do, K9 mail notifier, Lunar phase, SMS writer, counter, Cyanax Hiit, app launcher, tasker, call handling, currency converter, shopping list, smartweather, note writer, swp music player, and a lot of widgets and watchface app.