The keyboard is just a way to get your attention - you always put your hands on it, so I'll put myself on it and make you pet me! My cat likes to pull my phone from my hands too - he usually wants grooming or food or outside rather than YouTube. The remarkable perceptual ability of cats seems to be well-suited to tasks like observation, profiling, and behavioral manipulation, all useful for both sustainably hunting intelligent prey or tricking apes into giving it food and care.