Sky World has built 5 Android office apps for Hong Kong SMEs
— from document scan & sign, quotation and invoice generation, to booking management and to-do tracking，
all free to download. No registration, no ads, install and use instantly.
Apps
Free Forever
Supported
Each app is designed for real office needs — simple to use, saving you time and boosting efficiency.
Scan documents with your phone camera and sign or stamp directly on the PDF. Supports OCR text recognition (Chinese & English) and exports high-quality PDF.
Quickly create professional quotations with your company logo, multi-item pricing and automatic totals. Export PDF and send to clients in one tap.
Professional invoice generator with multi-currency, tax rate and payment terms. Built for the daily billing of Hong Kong businesses.
Simple booking management for beauty, massage, consulting, medical and more. Clear appointment view with day/week/month modes.
A clean, efficient to-do list app. Set due dates, priorities and categories, with a Chinese/English interface. Never miss a deadline.
All apps are in Android APK format. Installation is simple — no technical knowledge needed.
Click the "Download APK" button above to download the file to your phone.
Phone Settings → Security → allow "Unknown sources" installation (one-time setup).
Open the installed app to start using it. No account registration needed.
The apps above are general versions. If you need company-specific features (e.g. connecting to your existing systems, custom report formats, branded interface), we can provide custom development services.
Contact Us →