自由手記

protectedvoid runAppFromApkFileOnSdCard(){
        finalPackageManager pm = getActivity().getPackageManager();
        String apkFileName      ="application_name.apk";
        String fullPath         ="/sdcard/"+apkFileName;
        PackageInfo packageInfo = pm.getPackageArchiveInfo(fullPath,0);
        Intent intent           = pm.getLaunchIntentForPackage(packageInfo.packageName);

        if( intent ==null){
            File file   =newFile(fullPath);
            intent      =newIntent();
            intent.setAction(Intent.ACTION_VIEW);
            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
            intent.setDataAndType(Uri.fromFile(file),
            "application/vnd.android.package-archive");
        }
        startActivity(intent);
    }

Use:

packageInfo.applicationInfo.['name','icon','logo'] etc.

FROM:http://stackoverflow.com/questions/5661418/get-apk-file-icon-version-name

Example Icon:

Drawable icon = packageInfo.applicationInfo.loadIcon(getActivity().getPackageManager());