A series 40 devices runs J2ME apps and web runtime apps (html + ECMAscript apps).<div>For J2ME use <meta http-equiv="content-type" content="text/html; charset=utf-8"><span class="Apple-style-span" style="font-family: Verdana, Arial, Tahoma; font-size: 12px; "><strong> Sun Java Wireless Toolkit.</strong> It&#39;s cross platform</span></div>

<div><font class="Apple-style-span" face="Verdana, Arial, Tahoma"><span class="Apple-style-span" style="font-size: 12px;">For WRT use Aptana studio and install the NOKIA WRT plugin<br></span></font><div><br></div></div>