One in Five BlackBerry 10 Apps Is Really an Android App - Ina Fried - Mobile - AllThingsD

tbd if BlackBerry will have to pay Microsoft an Android royalty...

"But, knowing that not all developers are ready to bet on a native app, the company has offered some shortcuts designed to get programs running on devices like its Z10, which went on sale this week at AT&T.
One of those is an emulation engine that allows Android apps to run. Roughly 20 percent of the 100,000 BlackBerry 10 apps fall into this category, according to Martyn Mallick, BlackBerry’s vice president for global alliances and business development."

One in Five BlackBerry 10 Apps Is Really an Android App - Ina Fried - Mobile - AllThingsD