1.2 for Android 4.1 and up
Package name: com.ihpukan.nks
A low privacy footprint messaging Android app that links to the S L A C K API for an individual member of a team. Features sending and reading messages in private and public channels and instant messages with individual users. File uploads and team emoticons (:smile:) are supported.
NKS for Slack Messages on Android with English, French and Afrikaans interfaces (API 16 - 27)