Market 相關
//尋找某個應用程式
Uri uri = Uri.parse("market://search?q=pname:pkg_name");
Intent it = new Intent(Intent.ACTION_VIEW, uri);
startActivity(it);
//where pkg_name is the full package path for an application
//顯示某應用程式詳細畫面
Uri uri = Uri.parse("market://details?id=pkg_name_or_app_id");
Intent it = new Intent(Intent.ACTION_VIEW, uri);
startActivity(it);