Is it possible to have sprites or to move images around and how to control their directions?
Yes, HAC supports sprites and they can be moved around using the cursor keys, ball control or programmatically via an onscreen control such as a button.
There is info on using sprites in the docs and inbuilt help.
Also, the Lunar Lander demo shows how to create and move sprites:-
http://www.hypernextandroid.com/forum/index.php?topic=77.0The Lunar Lander demo is on our projects web page and can be loaded directly into an Android device.