Workflow is not available for Android but there are plenty of alternatives with similar functionality. The most popular Android alternative is 
Tasker. It's not free, so if you're looking for a free alternative, you could try 
Automate or 
MacroDroid. If that doesn't suit you, our users have ranked 21 alternatives to Workflow and 13 are available for Android so hopefully you can find a suitable replacement. Other interesting Android alternatives to Workflow are 
Easer (Free, Open Source), 
Trigger (Freemium), 
Autonomous (Free) and 
LibreTasks (Free, Open Source).
Workflow is your personal automation tool, enabling you to drag and drop any combination of actions to create powerful workflows. If you're looking for more info about Workflow like screenshots, reviews and comments you should visit our info page about it. Below you find the best alternatives.
Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts (application, time, date, location, event, gesture) in user-defined Profiles, or in clickable or timer home screen widgets. This simple concept profoundly extends your control of your Android device and its capabilities, without the need for root or a special home screen. Actions There are more than 190 built-in actions available in 14 categories.
Automate lets you automate various tasks on your smartphone or tablet. Create your automations with flowscharts, make your device automatically change settings like Bluetooth, Wi-Fi, NFC or perform actions like sending SMS, e-mail, based on your location, the time of day, or any other “event trigger”. You can automate almost everything on your device, Automate even supports plug-in made for Tasker and Locale.
MacroDroid is a task automation and configuration app that focuses heavily on usability with a simple UI and logical step by step process. A few examples of what MacroDroid can automate: • Turn on Wifi or Data connection when you launch a particular app (and off again when closed). • Respond to an incoming SMS by sending your current location. • Toggle the power button to tell you the time (e.g. when its in your pocket).
Make your smart phone smarter: tell it what to do under what situation. Easer is an event-driven Android automation app. It knows various events, and you, the user, could tell it what to do on what event (and even combine multiple events!). Routine actions no longer need to be taken manually. This app was inspired by CyanogenMod's 'profile' mechanism and IFTTT.
Trigger helps you simplify your life by automating the tasks you do daily. Activate profiles, launch applications, and more. Tailored for NFC tags, Trigger is also useful for automating actions based off bluetooth, location, and network profiles.
Autonomous allow you to create Rules to perform automatic tasks with your Android device.
An automated event/action manager that allows users to automate system functionality based on incoming application intents.
on{X} (pronounced 'on-ex') lets you control and extend the capabilities of your Android phone using a JavaScript API to remotely program it.
With Locale, you create situations specifying conditions under which your phones settings should change. For example, your "At School" situation notices when your location condition is "77 Mass Ave," and changes your ringer volume setting to vibrate. PLUG-INS Locale manages more than your ringer. Along with built-in conditions (Battery, Calendar (Android 4.
This is an automation application which makes it possible for your device to execute commands automatically. When you create a command you can specify which actions to execute when a given event occurs. The application allows you to specify more than 130 event types and execute more than 80 action types; furthermore, all event and action types can be parameterized, making the app even more versatile, and its functionality may be expanded in the future.
