Используйте приложение APKPure
Историческую версию Silent Camera можно получить на Android
Тихая камера может взять фото без звука!
Use Silent Camera to take photo without sound!
You can also set camera relative function in setting page, such as flash turn on/off, self timer, special effect, camera resolution...
After you finish your shot, you can save it, or share it to your friends directly by press share icon. You can also browse the pictures you took using the its Picture browser.
p.s. Click screen, the camera will auto focus.