Edge Maestro

■ For phones without a built-in one-handed mode
Some manufacturers ship an edge-gesture feature out of the box. Most do not.
Edge Maestro adds the same experience to any Android phone — Xiaomi, Google Pixel, OPPO, vivo, Sony, motorola and more.

Edge Maestro turns the left and right edges of your screen into a fast, full-screen gesture launcher. On big phones and foldables, your thumb can't reach the top of the screen — Edge Maestro fixes that. Just flick the edge. Keep one hand on the phone and your most-used actions happen in an instant.

■ How it works Edge Maestro places thin, nearly invisible touch zones along the left and right edges. They stay out of sight most of the time and only show feedback the moment you touch them — so they never get in the way of videos or games. Each edge is split into three zones (top, middle, bottom), and each zone recognizes three directions: straight in, diagonal up, and diagonal down.

■ How it uses the Accessibility Service This app uses Android's AccessibilityService API to carry out the gestures above. The purposes are below, and the first time, the app explains them and asks for your consent in-app before sending you to enable the service. ・To perform system actions you assign to an edge gesture — Back / Home / Recent apps / Notification shade and similar — on your behalf (performGlobalAction). ・To dispatch a tap to a position you specified, so you can reach the whole screen one-handed (dispatchGesture). ・To read only the on-screen position of the soft keyboard (IME) window, so triggers automatically avoid overlapping it. It never reads on-screen text, your input, or other apps' content. All information stays on the device and is never transmitted (the app has no network permission, as noted below). Every action runs only in response to a gesture you make.

■ Deep customization ・Swipe: map actions to left & right edges × 3 zones × 3 directions ・Long-pull: pull deeper to add a second action in the same direction ・Double-tap / triple-tap: a direct action, or a 5-slot radial quick menu ・Dozens of freely mappable gestures in total

■ Actions you can assign ・System: Back / Home / Recent apps / Notification shade / Quick Settings / Screenshot / Power menu / Lock screen / Split screen / Scroll to top / Scroll to bottom ・Media: Volume up / Volume down (with a mini volume controller) / Mute / Play-Pause / Next / Previous ・Utility: Flashlight / Camera / Voice assistant ・Launch app: Open any installed app straight from a gesture

■ Privacy Edge Maestro does NOT declare the INTERNET permission. That means the app physically cannot connect to the network — the OS blocks it. ・Zero data collection, zero transmission ・Zero ads, zero trackers, zero analytics ・Every permission is functional only (overlay / foreground service / boot / vibrate / notification / accessibility) ・Backup disabled (allowBackup=false); your settings backup stays on-device as JSON Your usage never leaves your phone.

■ Make it look and feel like yours ・Adjust trigger position, length, thickness, and opacity; blob color, pattern, and glow; haptic strength ・Auto-avoids the soft keyboard (IME) — triggers never overlap while you type ・JSON backup / restore for your settings (on-device, via SAF) ・Switch the app language in-app (English / 日本語 / 한국어)

■ On some devices On some Xiaomi, Samsung, and Huawei devices, aggressive power-saving can stop background services overnight. Use "Background protection" in the app to exempt Edge Maestro from battery optimization so it stays running.

■ Who it's for ・Anyone using a large phone or foldable one-handed ・People who want Back, Home, and Volume faster ・People looking for an honest utility with no ads and no tracking

Works the same on phones and tablets, in portrait or landscape; zones follow when you rotate. A one-time purchase — no ads, no in-app purchases, no subscriptions. Your screen's edges become your own controller.