This page has information about the Texas Supreme Court's COVID-19 Emergency Orders, including emergency rules for evictions and remote hearings.
Texas Supreme Court Emergency Orders Due to COVID-19
Juries During COVID-19
The Office of guidance for juries.Administration has COVID-19
Some Texas courts will hold hearings by videoconference, usually using Zoom.
You can ask the court to appear by videoconference (like Zoom) or telephone; to allow "unsworn declarations" as evidence; to interview the children...
This article tells you general information on what to do and not to do in a courtroom.
FM-DivAD-500 Motion for Use of Emergency Procedures