As of build 249 here is what is converted by Clickteam:

Movements

Spaceship Movement
Pinball Movement
Vector Movement
Sinewave Movement
Simple Ellipse Movement
Polygon Movement
Presentation Movement
Invaders Movement
Circular Movement


Extensions

Active
Active Picture
Active System Box
Advanced Direction
Advanced Game Board
Advanced Path Movement
Animation
Array
AVI
Backdrop
Background System Box
Button
Capture
Clickteam Movement Controller
Combo
Counter
DialogBox
Double Precision Calculator
Download
Draw object object
Edit Box
File
Formatted Text
FTP
Hi-Score
INI
Layer
List
List View
Lives
MagicDeque
Mobile Font (mobile version only)
MooClick
MooSock
MooGame
Move Safely 2
Named Variables
Nokia Keys (mobile version only)
Object Mover
Picture
Platform Movement Object
Popup menu
Print
Random
Rich Edit
Score
Static Text
String
String Parser
Sub-Application
Text Blitter
Tree Control
Wargame Map Ojbect
Window Control

Of course more on the way -- Every effort will be made to get every object possible converted to Java.

Please all thank Greyhill who is working very hard to port as many extensions as possible.