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What's different?
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These attacks shoot apples:

-Strong punch (Stand, Crouch, and air)
-Light kick
-All Kung Fu Palms
-A new attack: Spinning Fruit toss

The AI is also different:
-Against standard characters, it makes use of IronCommando's custom AI.
-Against The Kid, it's the default AI (to replicate how he behaves in my IWBTG MUGEN fangame)
-Against The Lad... well, it's a pleasant surprise, to say the least. Maybe.

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So how do I do it?
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Either by holding Z before using one of the regular attacks that are fruit compatible...
...or by pressing Down, Down, Z to use his Spinning Fruit Toss attack.

Keep in mind that the fruit will only be launched when there aren't that many fruits on the screen depending on the attack. (Ex. No light-kicking fruit when there's any on the screen.)
Typically the maximum amount there can be at a time is five.