title: How to create a dynamic cache system with PHP and Mysql?
body: <p>I have a native app store like google play, I need to load app detail very faster and i don't want select and join tables to create app detail information, I need a dynamic cache system where android app call my web service, web service don't select from database instance select from cache, Do you have any ideas? Note: Speed to load app detail is very important, Do you know google use what mechanism to do this work?</p>
  
  <p>How to keep always cache update? </p>