簡単ポスター作成アプリ is a free Android application developed by ten-del. This utility and tools app allows users to create custom-sized PDF posters from photos and illustrations. With this app, you can easily output PDF files for posters of different sizes, such as four A3 sheets stacked vertically. This is perfect for creating posters that are not of standard sizes. The app also provides the option to print the posters using a home printer or at a convenience store.

Please note that the app uses images from the royalty-free image site, "pakutaso.com", for the screenshots.

Whether you need a poster for personal use or for marketing purposes, 簡単ポスター作成アプリ provides a simple and convenient way to create custom-sized posters on your Android device. With its user-friendly interface and the ability to print the posters at home or at a convenience store, this app is a handy tool for anyone in need of custom poster creation.