Thanks for your post.
Searching for "portable" on the page associated with the link posted was helpful in locating a link to the portable version
FWIW, I got the following checksums for splayer.7z:
MD5: 15e607e68ad3b680e2b5a43b9763d119
SHA1: bf2c83f5803f17e114aefaaa066d593314b83ae5
Metascan showed 1 detection (Ikarus) while jotti showed 2 (Emsisoft, Ikarus).