We have recently been inquired as to why Vagabond Pai Sho was not included in the Pai Sho: Official Rules & Gameplay. The answer to this is simple. During the original writing of the rules document, Vagabond Pai Sho was just overlooked, missed entirely. This is very unfortunate, as Vagabond Pai Sho is a wonderful Variant.
We hope to have it included in the next release of the Ruleset, but for now please check out the game and rules at SkudPaiSho Vagabond.