➜ ~
curl \-d'{"desiredCapabilities":{"chromeOptions":{"androidPackage":"com.microsoft.emmx","androidActivity":"com.microsoft.ruby.Main","androidDeviceSerial":"R28M31Y995A"}}}'\-H"Content-Type: application/json"\-XPOST http://localhost:9515/session
{"sessionId":"cde6962a7360107f1399fa716f47e1d2","status":13,"value":{"message":"unknown error: Failed to get sockets matching: @webview_devtools_remote_.*27586\n (make sure the app has its WebView configured for debugging)\n (Driver info: chromedriver=75.0.3770.8 (681f24ea911fe754973dda2fdc6d2a2e159dd300-refs/branch-heads/3770@{#40}),platform=Mac OS X 10.14.4 x86_64)"}}%
Seems Edge not has its WebView configured for debugging