Someone?

Currently, I cannot purchase the game .... Thanks

First, please add a Level Select option and/or a Continue option so I don't have to keep restarting the game from scratch. Second, please list all available commands. A/D move, W jumps and R resets. Is there anything else? I ask because of Level 5... I currently can't see a way to finish Level 5. When you move the block down, you have to move it over the Jump block. The Jump block is automatic and prevents any further movement of the block. Is there some hidden key to force yourself to stay grounded or to...