Access and manage your Thrift Savings Plan (TSP) all in one place. The official TSP Mobile app is available to all TSP participants. Through the TSP Mobile app, youll be able to access your TSP account on your device—anytime, anywhere. Use this app to: - review your TSP account summary - check your investment performance and change your investment mix - access tools, like the TSP virtual assistant, AVA, with convenient navigation - securely sign paperwork using your electronic signature, submit forms, and upload documents - use mobile check deposit for rollovers - enroll in and manage your mutual fund window account Note: A tsp.gov login is required to use certain functions within the app.