1) Yes the map can still be accessed / edited after all 50,000 map views
are delivered. Except when you publish the map, you will have the same
publish limit as free account. You can always extend the unlimited plan
by purchasing additional map views any time during the year.
2) If you are using the Windows version, you need your own web host where
you must upload the map files before the maps can be viewed online or embed
to a website.
The online map editor host all your map files on map server, so maps can be
viewed/shared online instantly, and embedding the map to website is simply
done by copy and paste few lines of code.
3) You can use iPad or Android based mobile device to login to the online
map editor. Most Android device can support both flash map and custom
Google map editor, while iPad supports the custom Google Map builder.
4) Flash map builder uses ready-made flash map templates which mainly shows
country, state, county borderlines and allow you to set the attributes by
region, but without city or street level details.
The custom Google map builder uses Google map as base map. You can add
pinpoints by using addresses, zip code, city names.