I am an advocate and user of FOSS but not a programmer. However, other threads which discussed installing Android on Nokia phones or installing Maemo on non-Nokia phones made me question something. If I Google 'maemo download source code' I get a series of links which seem to indicate that Maemo source code is not available. OTOH, 'android download source code' brings back a site (source.android.com) which seems to indicate that Android source code is available. What gives?