[That question results in an absolute cavalcade of ideas, too many to be conveyed with words. Blueprints, fully-constructed devices...]

I must advance the technological level of this world! It is far too primitive for my liking. I am thinking phones, music players, fridges, fans, washing machines... computers may be a bit too advanced at the moment but I am sure I can make one eventually. I have forever, after all! Gerbil boy and backpack boy offered their help in my quest already, but more people to assist me is always a good thing!