Read Arabic file unicode in J2ME

Ni source kode nampilin isi dari file unicode (arabic, UTF-8) dalam J2ME.
class ReadFileText

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;

public class ReadFileText extends MIDlet {
        Display display;
    ReadFile read;

    public ReadFileText() {
        display = Display.getDisplay(this);
    }
    public void startApp() {
        read = new ReadFile(this, display);
        display.setCurrent(read);
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }
    public void exitMIDlet() {
        destroyApp(false);
        notifyDestroyed();
    }
}

class ReadFile

import javax.microedition.lcdui.*;
import java.io.*;

public class ReadFile extends Canvas implements CommandListener {
    private ReadFileText midlet;
    private Display display;
    private Command cmExit;
    private String help;
    private StringItem si;

    public ReadFile(ReadFileText midlet, Display display) {
        //super("Read File Text");
        this.midlet = midlet;
        this.display = display;

        if ((help = readHelpText()) != null) {
            si = new StringItem("", help);
        } else
            si = new StringItem("Error", "File Help Tidak Ditemukan");

        cmExit = new Command("Keluar", Command.EXIT, 1);
        setCommandListener(this);
        addCommand(cmExit);
    }

    public void commandAction(Command c, Displayable s) {
        if (c == cmExit)
            midlet.exitMIDlet();
    }

        public void paint(Graphics g) {
        int w = getWidth();
    int h = getHeight();

    //Warnai Background
    g.setColor(0xffffff);
    g.fillRect(0, 0, w, h);
                g.setColor(0x000000);
        g.setFont(Font.getFont(Font.FACE_SYSTEM,Font.STYLE_PLAIN, Font.SIZE_LARGE));
        g.drawString(help, 20,20, Graphics.TOP | Graphics.HCENTER);
        }
        private String readHelpText() {
        StringBuffer sb = new StringBuffer();
                InputStreamReader isr = null;
                try {
        InputStream is = getClass().getResourceAsStream("help.utx");
                if (is == null) throw new Exception("File gak ada!");
                isr = new InputStreamReader(is,"UTF-16");
                sb = new StringBuffer();
        int chr, i = 0;
            while ((chr = isr.read()) != -1)
            sb.append((char) chr);
            return sb.toString();
        } catch (Exception e) {
        }
        return null;
        }
};

Pembacaan file dilakukan pada kelas ReadFile, dimana InputStream is = getClass().getResourceAsStream("help.utx");