Do you want prevent other open your applications? It is very easy to lock your application by asking for PIN or Pattern to launch the apps.
Master App Locker is get your applications in private mode.
Just install, set passcode then select applications you want to lock.
You need 2 minutes for this for safe
This app uses Accessibility services
Just re-published the app. It will get error on Android 8.0 and above. The bugs will be fixed in the next update. Thanks
9Apps 4.9
![국세청 홈택스 [손택스] on 9Apps](https://sg-res.9appsdownloading.com/sg/res/jpg/f7/df/69cc2f90120ec331db2630e0f5b6-6dh.jpg?x-oss-process=style/jmq200)
