Solution pt 2: Go right. Get the hanky from the desk drawer using the number and the tweezers from the nightstand using the key. Get the nail from behind the left cushion on the bed using the tweezers. Pop the balloon at the desk window with the nail. Near the pictures on the desk, pick a clue from the balloon parts. Compare the clue with the top compartments of the cyan shelf. Note the letters inside to open the safe lock. Open the safe, clean the inside with the hanky. Compare the pictures with the ribbons of the four kitties in the cyan shelf. Go right, open the cardboard box with the resulting four-image combo, get the switch from the box. Go back to the bed, click the lamp cable, attach the switch and screws to turn on the light. You get a six digit combo. Go right twice, use the combo under the table to get the exit key.
Solution pt 1: Zoom on the right side of the kitty head, get the pin. Zoom on the mouse on the desk, use the pin to get a battery. Go left. In the brown cabinet, zoom on the ashtray thing, get the second battery. Go left, get the gear from above the lamp, then get the hook from the curtains. Go left, get the screwdriver from the pink box on the upper shelf. Click the single kitty on the lower shelf, turn it around, use the screwdriver to get the screws. Open the compartment, put the batteries in it. Turn the kitty around again, memorize the motion. Go right. Compare the motion with the colored arms and legs from the kitty there. Go right. Zoom on the doorway, then on the wheel. Attach the gear to the wheel. Back up unntil you see the cabinet, click the flowers. The combination on the flower pot is for the desk drawer. The color combo from the kittens is for the cabinet door. Open it. Slide around the clothes until the key drops into the boots. Use the hook to get the key.
Welcome to game logic, where everything except you is indestructible, even small planes go on collision course, ufos surround satellites, the air is full of fuel and mechanics, there are more black holes between here and mars than needles fit into a haystack, and money is flying around from here to mars all the way.
Perhaps someone should tell NASA that they just need to start collecting all the money and gold...