One of the main goals of this book is to help you realize your own version of a ROM customization. In the dictionary of modders, the act of modifying a version of Android in order to produce one's own ROM customization is often referred to with the verb to cook and the word kitchen.

"Cooking one's own ROM" means to modify the stock version of Android installed on one's device, with the aim of creating a new one.

For this reason, all the tools that might help to make the development of a ROM customization easier are called Chef toolkit.

As discussed in the previous chapters, it is indeed possible to create one's own ROM version starting from the source code, but this is not always possible, as some device manufacturers do not release their source code. In all those cases, we need to act on the system partitions, often directly on the binaries that build the internal core, both on the application framework and on the filesystem utilities.

In the next paragraphs, we will learn how...