I had developed an Android/IOS App with Delphi XE7 one year ago. No Problem.
Now I get in Delphi Seattle and also in XE8 the following behavior:
The app starts. But ended after showing the startup screen icon.
Debugging: I get an EJINIFatal error:
com/embarcadero/rtl/ProxyInterface not found.
I can't find any file named
please, take a look to the deployment, it seems that classes.dex is not included for some reason.
ProxyInterface is included on classes.dex, this file need to be included in the .apk and seems in your case is not done.
If not, click on revert to default button on deployment and build the app.