The only way to install apps on the PlayBook is by going to AppWorld and search for the app you want, browse the categories or features items.
Please note that AppWorld is the ‘most safest way’ to install software on your tablet from third-parties, with other ways there are risks, be sure to backup your tablet before installing ‘third-party’ apps.
First we need the software [...]
Sideloading makes it possible for developers to test their applications on the BlackBerry tablet OS.
It's a way to install bar files without having the use of the BlackBerry AppWorld.
Many don’t know that there are developers which do not want their apps on the PlayBook because of sideloading.
Recently the PlayBook firmware 2.1 was released and immediately after that blogs and news sites noted that sideloading in the long run no longer will be available.
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