The app will not be available for all android phone first , it is compatablie with only few models from Samsung, HTC . One can download Facebook Home app from Google Play Store starting from April 12th, 2013 .
Here are the models which will be compatable for Facebook Home App ,
Samsung Galaxy S3, Samsung Galaxy S4, HTC One, HTC X & Samsung Galaxy Note II .
Facebook confirmed that the app will receive Update every month , and then will be made available for more android phones . At Present only Samsung & HTC has agreed to introduce Facebook Home to their products .