STAR for Smartphone is a free Android application developed by PT Samuel Sekuritas Indonesia for online stock trading on the Indonesia Stock Exchange. This app is exclusively available for all Samuel Sekuritas Indonesia account holders. It allows users to trade and monitor their stock positions in real-time and provides detailed charts, stock alerts, and timely information to help them become successful traders.

One of the standout features of STAR for Smartphone is MyQuotes, which allows users to store up to 30 stocks in 3 different watchlists for quick reference of the latest price and percentage change. Running Trade is another useful feature that lets users see the latest Indonesian stock trades streaming on their Android device. Other features include MyAlerts, StockFinder, Detail Quote, Chart, Heatmap, Order status, Portfolio, Market Summary, and Automatic Trade Confirmations.