gir1.2-atk-1.0 2.12.0-1ubuntu2 (armhf binary) in ubuntu vivid

 ATK is a toolkit providing accessibility interfaces for applications or
 other toolkits. By implementing these interfaces, those other toolkits or
 applications can be used with tools such as screen readers, magnifiers, and
 other alternative input devices.
 .
 This package can be used by other packages using the GIRepository format to
 generate dynamic bindings