Java tutorial
//package com.java2s; import android.content.Context; import android.content.Intent; import android.content.pm.PackageManager; public class Main { public static void openAPK(Context context, String pkgName) { PackageManager packageManager = context.getPackageManager(); Intent intent = new Intent(); intent = packageManager.getLaunchIntentForPackage(pkgName); context.startActivity(intent); } }