Can function calls be triggered in memory?

[NinePole]

If the source code of the game is like this:
Call A();
Function A(){}
 How can I find "Call A()" and trigger it?
I read an article about finding it through IDA reverse analysis combined with "GameGuardian" and triggering this function by modifying the value. But it's not a teaching article.Can you implement it with "gameguardian" without the help of reverse tools?

[AKidWithMidgetFriend]

On 9/5/2021 at 11:25 AM, NinePole said:

If the source code of the game is like this:
Call A();
Function A(){}
 How can I find "Call A()" and trigger it?
I read an article about finding it through IDA reverse analysis combined with "GameGuardian" and triggering this function by modifying the value. But it's not a teaching article.Can you implement it with "gameguardian" without the help of reverse tools?

How are you to know the name of the function without reverse engineering the apk to view the source code? What needs to be edited depends on the data type returned by the function though I can atleast tell you that much