- Yes, can examine and consumes gas.

- It becomes your tile.

- You can move only "life tiles", those with an asteriks, the 5 you have been allocated.

- Limited by the gas you have been allocated at this round. Careful, though, if you exceed the amount of gas allocated, your actions are reverted. 10 rounds is more of an example. An actual game would have more I believe.

- Test chain indeed. No money involved.