Some parts of this article is already written in Thai language in this article to bring iPad as the development machine.
Nowadays, you can create the remote development machine to replace the laptop and the tablet to develop anymore without hassles by the advances in cloud computing like Amazon Web Services, or Microsoft Azure, and the cloud-based IDE such as Cloud9, code-server, etc. However, on that day, the cost of the creation of the server was expensive. It counted many bucks per hour. For me, I considered not to create until this year.