Py is a way to learn on your phone that focuses on interactivity and responsiveness. Py figures out what concepts you're weak in and asks you to review them. It keeps you engaged by tracking your progress, letting you earn points, and level up. Py has content built by professors, engineers, and research scientists from Google, Facebook, Yale, and NASA.
Are you not sure what kind of career you should pursue? Sokanu is a free career test that takes about 30 minutes to complete, and helps identify job fields you might be interested in.