We are currently experiencing delays with our email service, which may affect logins and notifications. We sincerely apologize for the inconvenience and appreciate your patience while we work to resolve the issue.
I don't think you can unless you root the phone and change the DPI value in the build.prop of the phone, which will cause the camera app to no longer work (and losing your warranty and risk bricking the device in the process).
I think wait until Android L, maybe it will be more consistent.