I want to know if Sencha is also good for developing mobile sites that work well on nokia java and symbian phones?
No. Only iOS, Android, and BlackBerry 6+ with touch screens.
Mitchell Simoens @LikelyMitch
Sencha Inc, Senior Software Engineer
Learn BBCode and use it! Checkout the CODE tag!
Check out my GitHub, lots of nice things for Ext JS and Sencha Touch
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