>Google is not giving away the source code of Android for philanthropic reasons, it's just part of the business model, i.e. the process of money making to pay the employees and the shareholders.
They're also "giving away" a smaller and smaller fraction of Android with each release. This article is four years old, but quite relevant: https://arstechnica.com/gadgets/2013/10/googles-iron-grip-on... A non-exclusive list of Android apps that are no longer open source: Camera, Gallery, Keyboard, Music.
In order to include any Google apps or use the Android trademark, you are required to include almost all Google apps and make no other apps default. Further, Google makes it substantially easier to license their apps if you join the Open Handset Alliance (OHA), which contractually prohibits you from building non-Google approved devices.
They're also "giving away" a smaller and smaller fraction of Android with each release. This article is four years old, but quite relevant: https://arstechnica.com/gadgets/2013/10/googles-iron-grip-on... A non-exclusive list of Android apps that are no longer open source: Camera, Gallery, Keyboard, Music.
In order to include any Google apps or use the Android trademark, you are required to include almost all Google apps and make no other apps default. Further, Google makes it substantially easier to license their apps if you join the Open Handset Alliance (OHA), which contractually prohibits you from building non-Google approved devices.