Android Device Black Problem

I have test machine samsung galaxt note 4.

I create sample project c++ first person.

and build android ETC1.

After Build success. Install apk to note4.

Ruinning is success.

So, I changed Android build option. change MinSDK 14(Ice cream Sandwich).

Build success. and install apk to note4.

Running is BlackScreen. TT

DownloaderActivity find obb and then process stop…