App Inventor 2 with MySQL database is a step-by-step guide to write Android applications that use MySQL database residing on the Internet. The task is carried out in synergy between the Web components, WebWevier and Sharing App Inventor and MySQL database. The data transmission between Android App and MySQL database is ealised using php interface specially written and extensively documented. With this method the App assembled with App Inventor can share on a remote server a database whose contents you can update using a standard web browser. This means that you can deploy App whose contents can change over time, simply by changing the data in the database. Actions implemented: storing, editing, deleting, sorting, recovery and transfer records from the remote MySQL database to the Android mobile device. Sharing of data imported via the Sharing component. This guide contains detailed explanations, examples and links to download the Android app, database and php code. All examples are described and commented. Once done downloading, the files are already predisposed to be uploaded to the webserver and Android devices to be used immediately. On the basis of these concepts it will be possible to create your own personalized Android App-php-mysql custom system. For those who consider themselves novice, in the database it is described php / MySQL essential to the function of this application, and provided explanations on how to get cheap web server or free for your needs. If your app need to work with the data, this e-book can do for you