Open the emulator and click the "+" icon to add a application. Select the opera-mini-4111320-240x320-ptbr.jar file.
(Java Archive), the executable format for J2ME-capable phones.
Java ME (MIDP 2.0, CLDC 1.0) Screen resolution: 240x320 pixels Language: Brazilian Portuguese (pt‑BR) File type: .jar (Java archive)
The standard file extension for Java Archive files. J2ME phones utilized .jar files to install applications and games.