Buka Gmail. Pilih pesan spam. Sentuh ⋯ (iPhone) atau ⋮ (Android). Sentuh Report spam. Sentuh ☰. Sentuh Spam. Sentuh EMPTY SPAM NOW. Sentuh OK ketika diminta.

Given the above summary, write a detailed text in English for it.
Tap the Gmail app icon, which resembles a red "M" on a white letter. This will open your inbox if you're logged in. If you aren't logged in, enter your email address and password before you continue. Tap and hold an email that you want to mark as spam. It's in the upper-right corner of the screen. A menu will appear. It's in the menu. Doing so moves the email to the Spam folder. This icon is in the top-left corner of the screen. A pop-out menu will appear. It's in the menu. This option is at the top of the screen. Doing so empties the Spam folder.