Originally Posted by ThaiDai
Simply not possible/not allowed without user confirmation.
Before thinking of advanced features you should build the rom from sources and check if you can install it. Did you do this already?
Yes, I already built custom ROM with some edit about hard key and any features, and after flash it run ok. But now I want to make my device can install my apps automatically. Don't need ask user or show something for user.
P/s: I'm sorry about my english skill. Hope you can understand what I mean.