Actually, almost all of them are available on Android and on Desktop.
Interestingly, while you seem to consider that this is a weak point of Firefox, we (Mozilla) did this on purpose and we consider this one of the strongest points of the platform: _no vendor lock-in_. If you write an application for FirefoxOS, we do not place any obstacle that can prevent the developer from distributing the application on other devices/OSes or that can prevent the user from using it on their other devices/OSes.
As you may recall, we (not just Mozilla) did this to the web a few years ago, and look where this brought us all. We are now attempting to bring the same degree of freedom to mobile. And yes, this is going to be quite a fight, but if you want to help us, that will be great :)
Interestingly, while you seem to consider that this is a weak point of Firefox, we (Mozilla) did this on purpose and we consider this one of the strongest points of the platform: _no vendor lock-in_. If you write an application for FirefoxOS, we do not place any obstacle that can prevent the developer from distributing the application on other devices/OSes or that can prevent the user from using it on their other devices/OSes.
As you may recall, we (not just Mozilla) did this to the web a few years ago, and look where this brought us all. We are now attempting to bring the same degree of freedom to mobile. And yes, this is going to be quite a fight, but if you want to help us, that will be great :)