1-just use your gmail account email and password in server.js file
2- go to the this link https://www.google.com/settings/u/1/security/lesssecureapps and enable the option
3- Disable Captcha temporarily so you can connect the new device/server - https://accounts.google.com/b/0/displayunlockcaptcha
4- run node server.js and visit http://localhost:3000