If i remember correctly wine on N900 can only run program complied for window CE. edit: people are too demanding nowdays:d 1>whatsapp 2>viber 3>wechat 4>line 5>and so on... their friends move on from one client to another and they start demanding it for N900. If you are too desparate for such closed source software better buy a cheap android phone. They have become quite cheap. Haven't they?