# dpkg -l | grep touch
ii  accountsservice-ubuntu-touch-schemas            0.0.3+14.10.20140912-0ubuntu1               all          Transitional package for accountsservice-ubuntu-schemas
ii  libmtdev-dev                                    1.1.5-1ubuntu2                              armhf        Multitouch Protocol Translation Library - dev files
ii  libmtdev1:armhf                                 1.1.5-1ubuntu2                              armhf        Multitouch Protocol Translation Library - shared library
ii  ubuntu-application-api2-touch:armhf             2.6.0+15.04.20141126-0ubuntu1               armhf        Implementation of the Platform API for Ubuntu Touch