Google Authenticator - Google Authenticator is a multifactor app for mobile devices.
LawnGuru - Get your lawn mowed on demand
Authy - Best rated Two-Factor Authentication smartphone app for consumers, simplest 2fa Rest API for developers and a strong authentication platform for the enterprise.
LanDroid - Robotic grass mover (Roomba for your lawn)
UNLOQ - UNLOQ offers Multi-Factor Authentication, Transaction authorization, and Data Encryption solutions for Businesses and Organisations.
Lawn Love - Lawn care and maintenance at the push of a button.