(or its more advanced sibling eSharePro ) is the piece of software that runs on the receiving display – your Android TV, projector, or interactive whiteboard. It waits for incoming connections from the mobile client and handles all streaming, mirroring, and control commands. The server app is pre‑installed on supported devices from the factory. As noted on the official Google Play Store listing for EShare:
Since the EShareServer APK might not always be available directly in the standard Google Play Store on all Android TV models, you may need to sideload it. Prerequisites: An Android TV/Box/Projector. A stable Wi-Fi connection. eshareserver apk for android tv
The (package name com.eshare.clientv2 ) is freely available on the Google Play Store for Android phones and tablets. It is the client that you install on your mobile device. Once both the server (on the TV) and the client (on your phone) are on the same Wi‑Fi network, they automatically discover each other and establish a connection. (or its more advanced sibling eSharePro ) is
This is the app installed on your smartphone or computer (the casting device). As noted on the official Google Play Store