Open app from google play store

Android_Rate_Us.java

Uri uri = Uri.parse("market://details?id=" + context.getPackageName());
Intent goToMarket = new Intent(Intent.ACTION_VIEW, uri);
goToMarket.addFlags(Intent.FLAG_ACTIVITY_NO_HISTORY |
                    Intent.FLAG_ACTIVITY_NEW_DOCUMENT |
                    Intent.FLAG_ACTIVITY_MULTIPLE_TASK);
try {
	startActivity(goToMarket);
} catch (ActivityNotFoundException e) {
	startActivity(new Intent(Intent.ACTION_VIEW,
		Uri.parse("http://play.google.com/store/apps/details?id=" + context.getPackageName())));
}