Want to quickly launch any app in your Android? Try Slide Launcher. Slide Launcher is a light weight app launcher for your Android device. It uses fairly low resources including RAM while running in the background.
Just simply download the app from Google Play Store and install it. To start using it slide upwards from the Home button. Slide Launcher is very user friendly and highly customizable. You can set the background, layout settings, frames, icon themes and floating Windows. The main drawback of this app is it requires a physical home button. But the developer suggest you to use app like Swipe Home Button. Overall it is a very good launcher and runs very smoothly on low-end Android devices.