Optimized settings for Low DPI

Resolution : 1280 x 720

HDMI : 720P

ro.sf.lcd_density : 180

Resolution : 640 x 480

HDMI : 480P

ro.sf.lcd_density : 120

change resolution
# vi /sdcard/boot.ini

ODROID4412-UBOOT-CONFIG
setenv v_out "hdmi"
setenv fake_fb "true"
setenv fb_x_res "640"
setenv fb_y_res "480"
setenv hdmi_phy_res "480"
setenv led_blink        "1"
setenv bootcmd      "movi read kernel 0 40008000;movi read rootfs 0 41000000 100
setenv bootargs     "console=/dev/ttySAC1,115200n8 androidboot.console=ttySAC1 v
boot

change density
# su
$ mount -o rw,remount /
$ vi /build.prop
ro.sf.lcd_density=180 <- fix