I’ve this line in package.json
Eagle Amulet
3

Remove the single quotes and escape double quotes with \”

"start:android": "npm run build && concurrently -r \"npm run watch\" \"react-native run-android\""

You also should install react-native-cli locally, so you can run your script

npm install --save-dev react-native-cli
One clap, two clap, three clap, forty?

By clapping more or less, you can signal to us which stories really stand out.