Eğitim uygulama odaklı fakat uygulama yazmayı öğrendikten sonra yaptığınız romlara özel uygulamalar geliştirerek fark yaratabilirsiniz. Bir zamanlar hazırladığım yazı aşağıdadır. Başlangıç seviyesi için incelenebilir.
ui_print(" "); ui_print(" "); ui_print(" "); ui_print(" ");ui_print(" "); ui_print(" *************************");ui_print(" **** Sarper Kaya ****"); ui_print(" *************************");ui_print(" "); ui_print(" "); ui_print(" "); ui_print(" "); ui_print("Sarper S"); ui_print(" "); ui_print(" "); ui_print(" "); ui_print(" "); mount("vfat", "/dev/block/mmcblk0p1", "/mnt/sdcard"); assert(is_mounted("/mnt/sdcard")); mount("rfs", "/dev/block/stl3", "/efs"); assert(is_mounted("/efs")); package_extract_file("script/efsbackup.sh", "/tmp/efsbackup.sh"); set_perm(0, 0, 0777, "/tmp/efsbackup.sh"); run_program("/tmp/efsbackup.sh", "backup"); run_program("/sbin/mount", "/dev/block/stl9", "/system"); run_program("/sbin/mount", "/dev/block/stl10", "/dbdata"); run_program("/sbin/mount", "/cache"); run_program("/sbin/mount", "/dev/block/mmcblk0p2", "/data"); show_progress(0.100000, 60); ui_print(" "); ui_print("Sistem Temizleniyor"); ui_print("Bellek Temizleniyor"); ui_print("Gecici Ogeler Temizleniyor"); ui_print(" "); delete_recursive("/system"); delete_recursive("/cache"); delete_recursive("/data/dalvik-cache"); ui_print(" "); ui_print("Dosyalar Kopyalaniyor"); ui_print(" "); package_extract_dir("system", "/system"); package_extract_dir("data", "/data"); package_extract_dir("sdcard", "/sdcard"); package_extract_dir("updates", "/tmp"); show_progress(0.100000, 10); ui_print(" "); ui_print("Yapilandiriliyor"); ui_print(" "); symlink("toolbox", "/system/bin/cat", "/system/bin/chmod", "/system/bin/chown", "/system/bin/cmp", "/system/bin/date", "/system/bin/dd", "/system/bin/df", "/system/bin/dmesg", "/system/bin/getevent", "/system/bin/getprop", "/system/bin/hd", "/system/bin/id", "/system/bin/ifconfig", "/system/bin/iftop", "/system/bin/insmod", "/system/bin/ioctl", "/system/bin/ionice", "/system/bin/kill", "/system/bin/ln", "/system/bin/log", "/system/bin/ls", "/system/bin/lsmod", "/system/bin/mkdir", "/system/bin/mount", "/system/bin/mv", "/system/bin/nandread", "/system/bin/netstat", "/system/bin/newfs_msdos", "/system/bin/notify", "/system/bin/printenv", "/system/bin/ps", "/system/bin/reboot", "/system/bin/renice", "/system/bin/rm", "/system/bin/rmdir", "/system/bin/rmmod", "/system/bin/route", "/system/bin/schedtop", "/system/bin/sendevent", "/system/bin/setconsole", "/system/bin/setprop", "/system/bin/sleep", "/system/bin/smd", "/system/bin/start", "/system/bin/stop", "/system/bin/sync", "/system/bin/top", "/system/bin/umount", "/system/bin/vmstat", "/system/bin/watchprops", "/system/bin/wipe"); symlink("/system/xbin/su", "/system/bin/su"); ui_print(" "); ui_print("Izinler Aliniyor"); ui_print(" "); set_perm_recursive(1000, 1000, 0771, 0644, "/data/app"); set_perm_recursive(0, 0, 0755, 0644, "/system"); set_perm_recursive(0, 2000, 0755, 0755, "/system/bin"); set_perm_recursive(0, 0, 0755, 0755, "/system/etc"); set_perm(0, 3003, 02755, "/system/bin/netcfg"); set_perm(0, 3004, 02755, "/system/bin/ping"); set_perm(0, 2000, 06750, "/system/bin/run-as"); set_perm_recursive(1002, 1002, 0755, 0440, "/system/etc/bluetooth"); set_perm(0, 0, 0755, "/system/etc/bluetooth"); set_perm(1000, 1000, 0640, "/system/etc/bluetooth/auto_pairing.conf"); set_perm(3002, 3002, 0444, "/system/etc/bluetooth/blacklist.conf"); set_perm(1002, 1002, 0440, "/system/etc/dbus.conf"); set_perm(1014, 2000, 0550, "/system/etc/dhcpcd/dhcpcd-run-hooks"); set_perm(0, 2000, 0550, "/system/etc/init.goldfish.sh"); set_perm_recursive(0, 0, 0777, 0777, "/system/etc/init.d"); set_perm_recursive(0, 0, 0755, 0555, "/system/etc/ppp"); set_perm_recursive(0, 2000, 0755, 0755, "/system/vendor/bin"); set_perm_recursive(0, 2000, 0755, 0755, "/system/xbin"); set_perm(0, 0, 04755, "/system/xbin/su"); set_perm(0, 0, 04755, "/system/xbin/busybox"); set_perm(0, 0, 0777, "/system/etc/init.d/S98jupaengine"); set_perm(0, 0, 0777, "/system/jupa/JP_darkyramhack"); set_perm(0, 0, 0777, "/system/jupa/JP_deadline"); set_perm(0, 0, 0777, "/system/jupa/JP_juwes_ramscript"); set_perm(0, 0, 0777, "/system/jupa/JP_kernelscheduler"); set_perm(0, 0, 0777, "/system/jupa/JP_sdreadtweak"); set_perm(0, 0, 0755, "/tmp/bmlwrite"); ui_print(" "); ui_print("Busybox Yukleniyor"); ui_print(" "); run_program("/system/xbin/busybox", "--install", "-s", "/system/xbin"); run_program("script/wipe"); show_progress(1.000000, 0); show_progress(0.100000, 60); show_progress(0.100000, 10); ui_print(" "); ui_print("Modem Yukleniyor"); ui_print(" "); run_program("/tmp/bmlwrite", "/tmp/modem.bin", "/dev/block/bml12"); ui_print(" "); ui_print("Kernel Yukleniyor"); ui_print(" "); run_program("/tmp/bmlwrite", "/tmp/zImage", "/dev/block/bml7"); show_progress(1.000000, 0); run_program("/sbin/umount", "/system"); run_program("/sbin/umount", "/dbdata"); run_program("/sbin/umount", "/cache"); run_program("/sbin/umount", "/data");ui_print(" "); ui_print(" *************************");ui_print(" **** Sarper Kaya ****"); ui_print(" *************************");ui_print(" "); ui_print(" ");ui_print(" ");ui_print(" ");ui_print(" ");ui_print(" ");ui_print(" ");ui_print(" ");ui_print(" ");ui_print(" "); ui_print("Yukleme Tamamlandi"); ui_print(" "); run_program("/sbin/reboot");