> npm install -g expo-cli

> expo init [expo-app-name]
> cd [expo-app-name]
> npm start

create-react-native-app でも同じと思われる。

There is a new version of expo-cli available (2.7.2-alpha.1).
You are currently using expo-cli 2.7.0
Run `npm install -g expo-cli` to get the latest version