This is a simple example app built on our Conscrypt fork to test TLS Encrypted ClientHello (ECH) interoperability between various implementations, platforms, and networks. This runs as standard Android unit tests on the emulator.
$ JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64 ./gradlew clean connectedDebugAndroidTestFor more info, see https://defo.ie