Engineering notes and practical guides from the studio behind ScrollBreak, ReelRoll, ScanLocker and CafePOS.https://prodevstudio.in/enhttps://prodevstudio.in/blog/how-to-see-app-usage-on-android/https://prodevstudio.in/blog/how-to-see-app-usage-on-android/Android already measures your app usage — it just hides it. Where the real numbers live, what they actually count, and how to read them without turning screen time into a scoreboard.Mon, 02 Nov 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/organise-android-app-drawer/https://prodevstudio.in/blog/organise-android-app-drawer/An app drawer is a list in install order pretending to be a filing system. Three ways to sort 120 apps, the six buckets that survive contact with real use, and what to do with the ones you never open.Mon, 02 Nov 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/scanner-app-page-limits/https://prodevstudio.in/blog/scanner-app-page-limits/When someone asks for a scanner with "no page limit", they usually mean one of three different caps. How to check each one before you install, and where the limits actually live.Mon, 02 Nov 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/why-an-on-device-studio-builds-a-cloud-pos/https://prodevstudio.in/blog/why-an-on-device-studio-builds-a-cloud-pos/Three apps keep the work on the phone. CafePOS deliberately does not. The rule was never local processing at any cost — it is choosing where data has to live for the job to work.Wed, 28 Oct 2026 00:00:00 GMTProducthttps://prodevstudio.in/blog/what-a-cafe-pos-actually-does/https://prodevstudio.in/blog/what-a-cafe-pos-actually-does/A POS is not a billing app with extra tabs. It is where orders, tables, stock and money meet, so the questions that matter are about the seams between them.Tue, 27 Oct 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/best-android-gallery-apps-2027/https://prodevstudio.in/blog/best-android-gallery-apps-2027/Your photos are in a grid you never scroll and folders you never open. A gallery that browses like a feed and organises by tag is a different product — here is how the Android options compare.Mon, 26 Oct 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/best-document-scanner-apps-android-2027/https://prodevstudio.in/blog/best-document-scanner-apps-android-2027/A scanner is a camera and a PDF writer. What separates the apps is whether the OCR runs on your phone or on a server that keeps a copy of the receipt.Mon, 26 Oct 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/best-screen-time-apps-android-2027/https://prodevstudio.in/blog/best-screen-time-apps-android-2027/Hard blocks, breathing pauses and puzzle breaks do different things to you. What each Android screen-time app actually does at the limit, and how to pick one that survives week two.Mon, 26 Oct 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/gst-billing-for-cafes/https://prodevstudio.in/blog/gst-billing-for-cafes/A cafe bill is a tax document before it is a receipt. Here is what belongs on it, how composition differs from regular registration, and where POS setups usually go wrong.Mon, 26 Oct 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/cafe-table-management-floor-plan/https://prodevstudio.in/blog/cafe-table-management-floor-plan/Table management is not a diagram. It is a set of rules for moving, merging and closing tabs — and the rules decide whether service stays calm at 8pm.Sun, 25 Oct 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/android-foreground-app-detection/https://prodevstudio.in/blog/android-foreground-app-detection/How ScrollBreak notices when a protected app becomes active, why the accessibility service is the only reliable route, and how to do it without declaring broad package visibility.Thu, 22 Oct 2026 00:00:00 GMTEngineeringhttps://prodevstudio.in/blog/stop-doomscrolling-without-deleting-the-app/https://prodevstudio.in/blog/stop-doomscrolling-without-deleting-the-app/Deleting Instagram is the advice everyone gives and almost nobody keeps. A practical look at friction, why hard blocks fail, and what actually changes a scrolling habit.Sun, 18 Oct 2026 00:00:00 GMTGuideshttps://prodevstudio.in/blog/what-no-tracking-has-to-mean/https://prodevstudio.in/blog/what-no-tracking-has-to-mean/No cookies on the site, no accounts in the apps, and analytics only behind a consent gate. The specific commitments behind the phrase, and how to verify them.Mon, 05 Oct 2026 00:00:00 GMTPrivacyhttps://prodevstudio.in/blog/on-device-ocr-searchable-pdfs/https://prodevstudio.in/blog/on-device-ocr-searchable-pdfs/How ScanLocker turns a photo of paper into a searchable, password-protected PDF using ML Kit and local libraries — and what that costs in binary size and complexity.Mon, 28 Sep 2026 00:00:00 GMTEngineeringhttps://prodevstudio.in/blog/local-video-editor-no-uploads/https://prodevstudio.in/blog/local-video-editor-no-uploads/A non-linear editor on a phone is a rendering problem, an undo problem and a storage problem. How ReelRoll keeps all three local with FFmpeg, an operation list and no cloud queue.Mon, 14 Sep 2026 00:00:00 GMTEngineering