"Q" to place blue portal. "E" to place orange portal. Left and right arrow keys to move character. Up arrow key to go up. "C" to summon storage cube. "R" to reset. Press space to turn next cube into companion cube. Press "M" to turn next cube back. Same with turret. Press "T" to summon turret.
Credit to Valve for Portal and Portal 2. (WARNING! CUBES CAN STICK! wait that's not really a warning :p)
