[BBB Android JB4.2.2] how to change screen resolution?

hello.

I use Android JB 4.2.2 on BBB.

And i wanna change screen resolution 800x480.

How can i change…? plz help me to solve it

I need your help!

—what i did—

Add in uEnv.txt “video=800x480-16@60 qemu=1”