Add README for the demo app
Bug: N/A
Test: follow the instruction
Change-Id: Idf63b009c9bccf3ece2ec2079fa92b5c6600ca47
diff --git a/demo/README.md b/demo/README.md
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+# Microdroid demo app
+
+## Building
+
+```
+TARGET_BUILD_APPS=MicrodroidDemoApp m apps_only dist
+```
+
+## Installing
+
+```
+adb install out/dist/MicrodroidDemoApp.apk
+adb push out/dist/MicrodroidDemoApp.apk.idsig /data/local/tmp/virt
+```
+
+## Running
+
+Run these commands before running the app. Eventually, these won't be needed.
+
+```
+adb root
+adb setenforce 0
+adb start virtualizationservice
+```
+
+Run the app by touching the icon on the launcher. Press the `run` button to
+start a VM. You can see console output from the VM on the screen. You can stop
+the VM by pressing the `stop` button.