Hello tehhax,
I made a test level and created a save system to try and reproduce this issue. I was unable to reproduce this on the device. My save file worked correctly. I have a few things that should be noted. When launching the project straight from the engine the save file will not work because there is no save file being created on the device. However, I see that you said that you were running it via the batch file which installs it onto the device. This worked for me. I have a couple of more questions for you that will help eliminate a couple of possible issues.
Quick questions:
- When you package the device are you using Android (ETC1)? This was what I was using.
- Are you making sure to set your variable “SaveSlotName”? I see that you “Get” this variable throughout your blueprint but I do not see it being “Set” anywhere.