For those who facing problem of low internel memory(ROOT REQUIRED)
No need to partition SD card
1) install the app
2) backup with titanium backup
2)uninstall the app
4) go to titaninium backup->Preferences->Restore Backup to->externel media
5) Restore the app with Titanium backup,,
by app2sd u can verify location where the app installed.
And your memory will never go low.. u can manage easily..