We know you've got questions, and if you're brave enough to ask the world for answers, here's the outlet to do so. This week's Ask Engadget inquiry is coming to us from is from Kim, who wants to help her four-year-old play games and communicate in the home. If you're looking to send in an inquiry of your own, drop us a line at ask [at] engadget [dawt] com. "I'm looking at getting a tablet for my four-year-old, developmentally delayed daughter. She uses an iPad with her therapist to play games and say what she wants, but I'm not sure if I should get the same for the home. Is there an Android alternative that's as useful in our special circumstances, and is it compatible wit