This shows Sun java device emulator.
We can add different skins to J2ME Wireless Toolkit emulator so that it looks and behaves (Act) as exact mobile device model.
Sun Java Wireless Toolkit (emulator) ; the one most commonly use emulator
For mobile application developers can not have all models and versions of mobile phone. So the best option is to have all types of mobile phone emulators to test.
New Skins and customize emulator: refer Basic Customization Guide
For Nokia there are 2 major versions
Nokia S60_5th_Edition (With touch screen support)
