Chill your ice cream container w/ lid or popsicle mold in freezer before hand or overnight for better result.
Chill mixer bowl and beaters in freezer 10 minutes for easier beating.
Add 1 tablespoon of water to gelatin powder in a microwave-able container, stir a bit and let sit for 5 minutes until soaked.
While waiting, take 1/3 of jack fruit flesh and cut into small ½ cubes, set aside.
Add remaining jack fruit flesh, condensed milk and Greek yogurt into a blender or food processor and process till mixed and somewhat smooth.
Microwave the soaked gelatin powder for 10-15 second depend on yours wattage level.
Stir the hot gelatin to dissolve and add to blender/processor and pulse a few times to mix evenly.
Get the chilled bowl and beaters out, beat heavy cream till fully fluff.
Now add all the jack fruit cubes and blended jack fruit-yogurt to mixing bowl.
Fold to mix everything then transfer to pre-chilled container or popsicle molds.
Let ice cream stay in freezer for 4-6 hours to fully set.