What are some alternatives?
When comparing Llama and E-Robot, you can also consider the following products
Automate - Automate various tasks on your Android smartphone or tablet.
Tasker - Tasker is an application for Android which performs Tasks (sets of Actions) based on Contexts...
Locale - Locale helps content owners and translators work together, so Rails developers are free to write more code
MacroDroid - MacroDroid - Automation for your Android Device
AutomateIt - Automate Your Android!
Workflow - Powerful automation made simple.