Luminair 3
Luminair 3 has become a defacto industry standard application to control DMX light fixtures via tablets.
It can control simple DMX dimmers or complex RGBWA light fixtures.
It has profiles for most current RGB fixtures such as ARRI SkyPanels, Kino Flo FreeStyle, Asteras and more.
It can be paired with a Wireless DMX hub such as the Cintenna AKS+ to provide seamless DMX controls.