To help extend the excitement of the forthcoming BlackBerry Mercury, the company has launched BlackBerry Notable for BlackBerry Hub+ users. The app allows you to annotate screenshots before opening them up in other applications, or you can start with a blank canvas. You can draw, add text, and make collages. It's a fairly simplistic app that looks and functions a bit like Google Keep. As an added bonus, you can program it to open up with a gesture or the press of a hardware shortcut key.

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At present, the app is only available for BlackBerry device users, including the DTEK60, DTEK50, and the Priv. The company says the app will eventually come to other devices with a subscription to BlackBerry Hub+, but you don't have to wait: there are already plenty of apps in the Play Store that offer similar functionality.