Could you right click and go to properties. Then go to compabillity and add run as admin.
On the Infinity.exe and try if anything change then. Sounds strange that Infinty give feedback but dont show ingame.
About the app 
Its not an app yet, but we got the next best thing.
They will build an app later, its on their list.
Go to the page WeMod.com/Remote if you add that to your screen on iPhone / Android.
Infinity Remote App Pro Tip
Check out this. It works very well for me. Just ask if there are problems.
Could you upload your .exe to the page just zip it and upload.
Then i bet the developer @REPPiN could take a look i guess.