I also love a travelling, and when I planning my journey I making notes: addreses, phones, guides and images: maps, tickets, documents... Usually these things in separated apps, and for Hack Around the World 2 I created app with both functionality. In my trips I using simple phone(low energy spending, not expensive for lost) and now I am using Nokia with KaiOS KaiOS supporting apps with HTML/CSS/JS and this is my first experience.
In process of creating I found a good opportunity on KaiOS - React Also I found troubles, I dont can used local storage of phone - because it is possible only for "priviliged" apps(as i understand this is through store). And I used Firebase and images like a links - whom stores in web, I mean it is temporary solution but works well.
App can store notes and images, also delete and refresh data from the remote database.
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