Game controller for a mobile device with a hold-open feature

A game controller for a mobile device, the game controller comprising:

• a first handle configured to contact and support a mobile device, the first handle comprising a user-accessible, first hardware interface on a main body portion of the first handle and configured to accept touch inputs;
• a bridge in sliding engagement with the first handle, the bridge having a span. extending away from the main body portion of the first handle, the span having a transverse midline, the bridge and the first handle being configured for the main body portion of the first handle to translate in a retraction direction toward the midline of the bridge and into a retracted configuration and also to translate in an extension direction away from the midline of the bridge into an extended configuration;
• a first spring mechanism configured to bias the first handle toward the retracted configuration;
• and
• a first latch mechanism configured to temporarily lock the bridge in the extended configuration.