Jo (0.5.0) is a thin (~16K) candy shell for making HTML5 apps. Jo works with: PhoneGap, Chrome, Safari, Opera, FireFox, iOS, Android, BlackBerry 10, Tizen, & Windows Phone 8+. Features include skinnable UI widgets, a clean event model and a light data layer.
As requested here is the pull request for the activate and deactivate events for joCard :)