Because the PSPTube homebrew is a dedicated FLV player, not a Youtube viewer (it fetches the FLV video directly and decodes it without Flash; SCEA is too "busy" for doing such "gimmicky" things).
Because the PSPTube homebrew is a dedicated FLV player, not a Youtube viewer (it fetches the FLV video directly and decodes it without Flash; SCEA is too "busy" for doing such "gimmicky" things).