2. Battery drains too fast!!
Another con of Android is it drain battery very fast. You play games for 5 minutes and your battery meter drop from 98 to 82. This is how android sucks and eat up your battery as soon as you touch your phone.
Check out: How to conserve battery to make it last longer.
3. It Drains/Zaps data!!!!
No other OS uses data like android devices, just to open a few apps and browse a few pages, data count would already had exceeded your budget.