I believe the dev said the current plan is to focus on making 'Dragon Slayer' a full game before working on Helward, so don’t expect this game to be updated anytime soon
Viewing post in Helward: A Tanuki Story (0.2.0) comments
https://dgpa.itch.io/dragon-slayer (Password is dragonslayer). It hasn't been updated lately, but he has mentioned on his Telegram channel last October that he's working on it.