What are some alternatives?
When comparing Android Survey Developer and SimPholders, you can also consider the following products
Evothings - Evothings is a mobile application enabler for the Internet of Things (IoT) industry
IBM MobileFirst - IBM MobileFirst provides enterprise mobility solutions.
React Native Starter - React Native Starter is mobile application template built with React Native that contains essential components for all mobile apps.
B4X - Cross platform development tools for native iOS, Android, desktop and server applications.
Offset - Premium stock photos + illustrations
Genymotion - This is an Android emulator for your computer.