1. Allows you to host any type of static website content on app engine server. For dynamic website, good knowledge of app engine and python is required.
It's not good to host a paid website in Google app engine when other better services are available like in Heroku, AWS, etc
2. App-engine has mail forwarding facility so a custom email address can be set up to send and recieve emails. Form submisson page in the /templates/index.html submits the query using the 'Google email address' signed...