Adaptable personal user interfaces in cross-application virtual reality settings

In one embodiment, a method includes rendering, for one or more displays of a VR display device, a first output image of a VR environment. The VR environment includes a personal UI associated with a first user. The personal UI has a first form factor and a first pose with respect to the first user, is a virtual object comprising one or more 2D virtual displays, and is operable to execute a plurality of applications. The method includes determining whether to adapt the personal UI based on a detected change in a context of the first user with respect to the VR environment. The method includes rendering a second output image of the VR environment, where the personal UI is adapted to have a second form factor and a second pose with respect to the first user responsive to determining to adapt the personal UI based on the detected change in the context of the first user.