What map and Upgrade Tutorial

I've been exploring the use of Android Tomtom 1.1.1 (1144008) together with UK&ROI 900.4617 downloaded from this site on a ten inch tablet with encouraging results.
If I want to upgrade to a 905 series map (or 910 maps will probably trickle out shortly) what UK&ROI map is compatible?
Is there a compatibility chart for other areas of the world or map suffixes?
How do you "activate" the newly downloaded map? And do you have to?
Is there a tutorial that covers all this somewhere? I searched in vain

The new Android version is already available in the Playstore.
For the rest we have the map chart, tutorials and the instructions within the download posting.
I also posted several times how to acivate a map in Android.

Simply wait for the new version to appear in the forum or get it through the Playstore.

The new Android version is already available in the Playstore.
Yeah but at £40.99!

For the rest we have the map chart, tutorials and the instructions within the download posting.
Please be a little more specific. The download posting is where I got the info. I quoted in my first post. Can't find any reference to v1.2 or maps 905 there. Nor can I find a compatibility chart:(

I also posted several times how to acivate a map in Android.
I searched Android + Tomtom + Downunder which led me to one thread on the Standalone Tomtom section

Downunder35m wrote:I also posted several times how to acivate a map in Android.

Where can i find something about how to do that? cant find anything in your previous posts on your profile...