Step 1:
Go to privacy settings on Facebook, change all your settings to public. Then write a status and also set that to public. (click the little friend/head icon next to the time stamp).
Step 2:
You HAVE to enable subscribers. Go here: https://www.facebook.com/about/subscribe and just follow the steps to enable facebook subscribers.
Step 3:
Visit this website: http://powerlike.net/
You need to SUBSCRIBE to the developer, then click on "Get Access Token" if you've subscribed it'll ask you to verify a "Samsung Mobile" application. Allow it, your access token will be in the URL.
Paste it into the main page and press "Submit.
Your most recent status or photo upload will appear and in 15 seconds a button saying "Auto like" will appear, click it and sit back and watch the likes roll in.