Thanks to the incredible work of ScummVM Dev Team Member Lephilousophe, plugins are now working on the Vita buildbot builds of ScummVM. That means from now on ALL engines are always included in the latest buildbot builds. Buildbot builds can be downloaded from the official buildbot site:
https://buildbot.scummvm.org/#/dailybuilds
in the column labeled latest branch master
https://buildbot.scummvm.org/#/dailybuilds
in the column labeled latest branch master