https://facebook.github.io/react-native/docs/getting-started
- C:\Users\<your-name>\AppData\Local\Android\Sdk\tools
- C:\Users\<your-name>\AppData\Local\Android\Sdk\platform-tools
- C:\Users\<your-name>\AppData\Local\Android\Sdk\emulator
emulator -avd <android-name> -no-snapshot-load