Only the current version so far — new entries appear as the app ships updates.
speak Thai language is an education app by LimboSoftware Ltd. with 50,000+ downloads (about 81K estimated). +62 installs in the last 7 days. Released Aug 29, 2015. Install growth, rank history, SDKs and ad networks.
From the store listing: “Collection of Thai phrases for beginners to speak Thai”