By way of the FCC, we learn that Anker is prepping a Nebula-branded gaming controller to be used with their Android TV-based Nebula Capsule 2 projector (duh) in addition to any number of iOS and Android devices. The gamepad appears to be a fairly standard affair with dual analog sticks, charged via microUSB. However, the flip up smartphone holder seems fairly unique and the controller does come bundled with an optional USB nano receiver to use in lieu of the native Bluetooth.
As for me, I periodically pine for an Anker projector but already possess a capable, Mfi-certified Steel Series controller (despite ongoing frustration with the state of Apple gaming).