
It's better to call that "SamyGO Expansion Pack" if you mean that...
If you want better busybox, you can both update the firmware (which is dangerous if your model is T2P but T2W).
Safer way to do that using "mount --bind" approach.
Wiki pages has some articles how to make those.
For samba, you can use SamyGo All extensions pack. It also have ftp server on latest versions.
For PVR you needed to download another application.
And you don't needed to update "kernel".
It's better to read wiki page before bricking TV or it might be too late...