SLT Zen - Widget icon pack is a personalization app for Android devices developed by Smart Launcher Team. This free app provides a minimal and soothing theme for your device that can help you relax and concentrate. According to the Feng Shui philosophy, the soft and calming colors used in this theme can transmit stability and calmness. Additionally, it can filter blue light that may disturb your sleep before bedtime.

The app contains a flip clock widget that is compatible with any launcher, an icon generator that can provide icons for any app (only with Smart Launcher), wallpaper (only with Smart Launcher), and a Smart Launcher skin (only with Smart Launcher). To apply the theme, simply download the app, open it, and press Apply Theme. Overall, SLT Zen - Widget icon pack is a great app for anyone looking for a simple and calming theme for their Android device.