Hooray, in the name of the collecting spirit! This makes the third Hoichess in the repository:
GET Hoichess 0.12.1 JA: Previously posted, plays in Rapidroid
GET Hoichess 0.10.3 JA: Previously posted
GET Hoichess 0.10.3 by unknown editor: JUST ADDED
There is a feedback to suggest that the latter used to be bundled in a previous version of pbChess application. Though, we couldn't verify that yet because there's no apk available. We still don't know who compiled it.