[Q] Why doesn't this app run? (CommBank Kaching) - Galaxy S III Q&A, Help & Troubleshooting

Firstly: I'm new here, but I'm sure this is a fresh thread. I doubt anyone else will have asked this yet.
So basically, CommBank Kachinghttps://play.google.com/store/apps/details?id=au.com.commbank.kaching is an online banking app, but the developers have decided that it can't be downloaded to or run from a rooted device. I think.
Basically, is there a filter that will allow Play to disallow rooted device from downloading, or is it the Device Status flag that does this? Also, if downloaded to a stock device which is later rooted, the app will fail to run, with a message saying "This device cannot be supported." I suppose this is the nice way of letting us down.
Is there anyway for me to check whether a particular "status" is preventing this from running?
There are a limited number of devices that are currently supported, but the I9300 is one of them. It requires 2.3 (GB) or above, which I'm running, technically. The app actually worked during the root process, right up until the device rebooted to complete the root process - I'm guessing that that's when the "Device Status" is updated? Would this be it?
tl;dr
Is there anyway to find out what is 'triggering' this app? (And how would I do this?)
If it is the Device Status = 'Modified', is there a way to change this?

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Is there anyway to find out what is 'triggering' this app? (And how would I do this?)
Some apps refuse to run due to security risk of root . Fix font know but i would look in APPS section .
If it is the Device Status = 'Modified', is there a way to change this?
Unroot and flash a stock rom is all so far .
jje

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hxxps://dl.dropbox.com/u/32917310/modded.commbank.kaching-p1xel8ted.rar (if you cant be bothered do the steps below.)
First off, you need to get "framework-res.apk" off your Rom, it can be found in /system/framework. Put it somewhere safe for now.
1. Get APKMultiTool from hxxp://apkmultitool.c0m/, when your run it for the first time, before selecting any options, copy your "framework-res.apk" into {apkmultifolder}/platform-tools.
After its copied, select option 2, then option 1. It may exit afterwards, if it does, re-run "setup.bat", found in the apkmulti install folder, and select option 3.
After that, run Apk Multi-Tool from the desktop.
2. On your phone, using a file explorer (Romtoolbox, esfile explorer etc) make a backup of CommBank and Kaching
3. Copy those backups as APKs to your computer
4. Place the apks in the "place-apk-here-for-modding" folder within the APKMultitool directory.
5. Run apkmultitool
6. Use option 23 (set project) and select commbank
7. Use option 9 (decompile)
8. Repeat step 6 and 7 for kaching
9. Open {apkmultifolder}\projects\au.com.commbank.kaching.apk\smali\au\com\vivant\util\deviceutils.smali
10. At line 32, replace and save
const-string v1, "test-keys"
with
const-string v1, "test-keysss"
11. at line 61, replace and save
const-string v2, "/system/app/Superuser.apk"
with
const-string v2, "/system/app/Superuser11.apk"
** Repeat steps 10 and 11, but with {apkmultifolder}\projects\CommBank_2.2.2.apk\smali\au\com\vivant\util\deviceutils.smali
12. Back into apkmultitool, again using option 23 (set project) select commbank
13. Use option 11 (compile), answer No to system app, and answer No to use other files
14. Use 12 (sign).
15. Repeat steps 12 to 14 but selecting kaching instead.
16. Go back into "place-apk-here-for-modding" and there will be two new files with "signed" in front of the names, copy those to your phone and install.
What we've done is basically "cracked" the check for your phone being rooted or custom rom'd/modified.

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Why dont you just get an app that hides root? i did that and it works great!
although the app does suck. its a shoddy iClone

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I am also rooted and use siyah kernal, which has the 'remove root' function. I leave the option 'restore root on reboot' ticked and once I've finished I just reboot the phone.
Edit: Just found a quicker way which doesn't require a reboot, as per Milz123's recommendations. And it wasn't that hard or messy.
I downloaded 'hide my root' from the play store. Then I selected 'hide su binary' then 'hide su app'. Logged on Kaching and worked perfect.
Logged out then restored su binary then su app and tested some apps which require root. They worked prefect. Then tried logging into Kaching again but couldn't.
Fyi, I use supersu, not superuser. When I selected to hide the su app it said it didn't exist, but in reality it still hid then restored the correct app. So worked 100% and took seconds.
Edit 2: Tested with just 'hide su app' and it worked. Phone is still rooted and app works.
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