title: How to enable particular feature in android app for specified users based on city using A/B Testing
body: <p>I want to enable particular feature based on user signed up city (Not based on user current geo location) in my android app.</p>
  
  <p>I am able to get single city with key from Firebase Remote Config.But how do I map multiple cities with a single key so that I can a enable feature for those cities?</p>
  
  <p>Will firebase remote config will help my requirement? If not, please suggest a tool which will meet my requirement.</p>
  
  <p>Please find following snippet which I am trying using firebase-remote-config </p>
  
  <pre><code>//Here I am able to get single city only.
  String enableCity = mFirebaseRemoteConfig.getString(ENABLE_CITY);
  
  //lets take user city is Bangalore
  if ("Bangalore".equalsIgnoreCase(enableCity)) {
         //enable feature
  }
  </code></pre>
  
  <p>Here I want to get list of enabled cities which are updated from remote config to enable feature.</p>