Apps to teach small children letters and words have come a long way since my own kids were playing StickyBear ABC on an Apple ][+. Here are two examples: Lola's Alphabet Train (US$0.99) for the iPhone and iPod touch (it's also available for the iPad as Lola's Alphabet Train HD at $1.99) and KidzBlox ($0.99), which is a universal app. These are both simple (with Lola being harder since you need to know some words) and repetitious, which may bore the stuffing out of parents, but they seem tot