lxqt 4 (s390x binary) in ubuntu yakkety

 LXQt is an advanced, easy-to-use, and fast desktop environment based on Qt
 technologies. It has been tailored for users who value simplicity, speed, and
 an intuitive interface. Unlike most desktop environments, LXQt also works
 fine with less powerful machines.
 .
 This package is a metapackage meant to provide the core components
 of LXQt plus some recommended components. These include lxqt-core,
 lxqt-appearance, lxqt-input, qterminal, lxqt-config and xarchiver.