First, I am impressed that this topic gained at least some attention and it's great to see so many responses and even from parties who probably can guide this platform forward with mandate.

To put complicated things straight, ever since 770 model of tablets, I've been waiting to obtain something running Linux and containing elements of communication and interaction in same package. I was a bit excited when N900 landed in my hand. Doing embedded Linux development over 10 years, I've been familiarized with various low level and high level approaches of several platforms and systems, being Linux user all the way. However, building user interfaces with GTK or QT is optional for our company purposes, before we can be sure that core of used platform can handle basic tasks to access required functionality.

Currently I am after suitable platform to develop m2m communication related application to security related user segments. How wonderful device N900 could be, if I just could figure out how to 'access', 'collect' and 'communicate' with this platform. I got SDK installed fine, it compiled my test programs nicely and offered me a solid base to move forward with my exploration inside N900. However, I could not find any information how to build GSM network awareness, short message communication and how to access camera, gps, accelerometer or bluetooth. All factors which are needed, when designing something which is not a 'game or QT scrolling demo'.

I sincerely hope that some one wakes up in Nokia, makes some reality check and returns to moving train to put these things up in order. They are base for you guys. It does not matter how many times you redesign ovi store, if there is no tools to produce software.

Some documentation, which gains my undivided attention in these other platforms are bellow. (now I have to check links which qgil provided and hope for best).

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1. GSM State, SMS handling and cell location:
http://developer.android.com/referen...e-summary.html
http://developer.android.com/referen...lLocation.html
http://dpimg.ospos.net/contents/docs...mesetMain.html

2. GPS handling, geolocation and related things:
http://developer.android.com/referen...e-summary.html
http://dpimg.ospos.net/contents/docs...mesetMain.html

3. Excellent introduction for system wide development possibilities;
http://developer.android.com/guide/t...damentals.html