"The software that you can obtain from the primary Linux download site, www.kernel.org, is less than 10% of what you need to create a phone. The remaining 90+% of software significantly alters the characterisation of the phone."

From The hidden value of the mobile operating system ..

O principal problema que vejo eh que nao existem padroes na construcao de software para Linux Phones.. Nao existem padroes definidos e nao existem muitos esforcos provenientes da comunidade militante do software livre..