King and Halfbrick Studios are some of the most successful mobile game developers. Their best-selling games, i.e. Candy Crash Saga (King) and Fruit Ninja (Halfbrick), rate in the 100M – 500M download tier on Google Play and rank among the Top 100 on iTunes. Did you ever wonder which tools they use and how they compare? Do they use the same SDKs available to the rest of us mortal developers and what can we learn from their tooling choices?