title: What is the best alternative for Shared Preferences In Android?
body: <p>Which is the best alternative for <code>Shared Preferences</code> in android to store data, If I want to Read the data and again save it with some changes. 
  Data may be a user's  profile, a json response or any object.
  As I store a lot of data, I am searching other less time consuming option to Reda/Write data. 
  Currently my app taking x milliseconds to go from Activity A to Activity B.
  Can I reduce this time? </p>