As far as rooting an Android device goes, you'd be hard pushed to find an easier, and more passive method than simply installing an APK.
When anyone mentions a touchscreen device, or to be more specific; a touchscreen tablet device, you instinctively think about Apple and the iPad. Ever since the creation of the ground breaking iPhone in 2007, and the subsequent release of the iPad in 2010, touchscreen devices seem to be synonymous with the company. Apple obviously weren't the first technology company to come up with the idea of controlling a mobile device through a touch based interface, but when they entered that segment of the market, they managed to totally reinvent it and almost assume ownership.