Check out the SoberTool app – developed by the Associate Director of the Ohio Lawyers Assistance Program (OLAP), Paul Caimi.
Free: https://play.google.com/store/apps/details?id=com.osu.cleanandsobertoolboxandroid&hl=en
Premium: https://play.google.com/store/apps/details?id=com.osu.cleanandsobertoolboxandroid.pro&hl=en