good vs. modern mobile games; Tap screen once. Pop-up demands $49.99 'Limited Time Super Value Starter Bundle' to bypass a 48-hour timers on a virtual wooden door. Energy bar is empty. Must pay $5 to breathe in-game oxygen. If I do not pull the 0.00001% drop-rate anime character my bank account is legally delete. Much cry; Download Angry Birds. Pay exactly zero pennies. Play 4,000 levels of physics-based destruction. Ad pops up once every three weeks, press small 'X' to vaporize it. Devs love me. Happiness is maximize.