Well to edit the save file you need to be on a rooted android device.
Using root explorer or some similar app, go to
/data/data/com.choiceofgames./shared_prefs/
for choice of games files, Or
/data/data/org.hostedgames/shared_prefs/
for hosted games files.
In place of you will find the game name, (you can find that folder pretty easy)
Now edit the settings.xml file within the shared_prefs folder using the built in text editor or any other one of your choice.
Editing the XML is pretty self explanatory, you will find options like:
"coins":56,
Change it to 9999 or something.
The other values are also pretty similar like relationship points, or stats ( heck you can even change your gender in an ongoing game)
Try the various options out it’s pretty easy.
EDIT: I forgot to mention that there will be 2 primary sections in the settings.xml file:
PS<game_name>PSstate and
PS<game_name>PSstatetemp
Both of these sections are a complete copy of each other AND you need to edit the same values in both sections for the changes to take place…
(There might be some other sections like PS<game_name>PSstatesave just ignore those sections they are the saves that get carried over from previous part of the game, if any, and only change the above 2 sections.)
Another point to note is that before changing the xml file completely close the game i.e. remove it from your recent apps, or your task manager as sometimes the game continues to run in the background and all the memory edits that you just made are not accepted.
Location of settings.xml for lost heir 3:
