This gear-shaped app is typically found in the App Drawer. You can also swipe down from the top of the screen and then tap the gear-shaped icon in the drop-down menu. It's in the "Device" section of the Settings menu. On a Samsung, you'll instead tap Apps. At the top of the screen, you should see "X GB Used of Y GB" (e.g., "8.50 GB Used of 32 GB"). You can also view a breakdown of how much space each item on your Android is using on this page. On a Samsung, you must first swipe right to the SD card tab.

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Write a summary of the previous text in Vietnamese:
Mở ứng dụng Settings của thiết bị Android. Nhấn vào mục Storage nằm ngay bên dưới đề mục "Device" (Thiết bị). Xem dung lượng bộ nhớ của thiết bị Android.