Help/Support Having trouble in hacking

[Eddybell 6 iPhone 6 12.4.8]

Okay so I'm new in hacking I've learned to use IDA PRO a little and tried hack some game according to @ZahirSher I started with plants vs zombies 

but the problem is I'm having trouble in offsets somehow I found the right offsets 

ADD r1, r0

mov r1, #

or wrong offsets I'm not sure but how to understand these mov and add str xref and how to change them with the right value 

need help

[Ted2 38.9k iPhone 13 Pro 16.0 Donor]

Read other tutorials, they explain what these instructions mean etc

[Zahir 390k iPad Mini 4 13.6]

Show the whole function @Eddybell