What is Einstein's Sudoku?

Einstein's Sudoku is a fun, addictive puzzle game, being developed for the iTunes App store, to be played on any iOS device (iPhone, iPod touch, or iPad).

It has three difficulty levels, and is based on randomly-generated puzzle sets.  The basic format of the game is that players are given a set of clues, and from that must determine who lives in which house, and also different facts about those people.  It is based on a riddle, said to be invented by Albert Einstein, that goes like this:

1. There are five houses.
2. The Englishman lives in the red house.
3. The Spaniard owns the dog.
4. Coffee is drunk in the green house.
5. The Ukrainian drinks tea.
6. The green house is immediately to the right of the ivory house.
7. The Old Gold smoker owns snails.
8. Kools are smoked in the yellow house.
9. Milk is drunk in the middle house.
10. The Norwegian lives in the first house.
11. The man who smokes Chesterfields lives in the house next to the man with the fox.
12. Kools are smoked in a house next to the house where the horse is kept.
13. The Lucky Strike smoker drinks orange juice.
14. The Japanese smokes Parliaments.
15. The Norwegian lives next to the blue house.

Now, who drinks water? Who owns the zebra?

 Based on this information, puzzle solvers can piece together who lives in what house, what they own , and what they smoke, in order to find out the answers to the questions underneath.

Einsten's Sudoku works much like this puzzle, but with over a quadrillion possible solutions, it's a different game every time.