These games were promise long long time back and there are videos of these games on Youtube. Then why hasnt Nokia uploaded it to OVI stores.

Am I missing anything or is there some other place to downloaded these fantastic games for Nokia N900 :

1. Jurassic 3D Rollercoaster
2. Zen Bound
3. Kroll

Despite being advertised by Nokia long time back, it is still not available in the OVI store. Please help me where to download this games !!