Privacy and Security

Secret Space Encryptor (SSE): File Encryption, Text Encryption, Secure Password Manager.

Valv: An encrypted gallery vault for Android devices.

Safe Space: A safe space for your digital valuables.

Deku: Deku is an SMS app that supports end to end encryption and photo sharing.

CameraFileCopy: use your camera to transfer data.

Alibi: Use your phone as a dashcam and save the last 30 minutes when you need it.

FadCam: Privacy-focused background video recorder that works even when the screen is off.

Media

Open Video Editor: Open source Android video editor.

Camera Date Folders: Sort photos from camera folder into a date specific subfolder structure.

SimpleTag: Tag your audio files.

Learning

Book’s Story: Material You eBook reader.

DékaDico: Spoken numbers memory trainer.

Really Basic Vocab: simple flashcard app.

Lernkarten Eule: Practice with flashcards (math and Latin).

Flash Deck: A simple and easy to use flashcard to help you study.

Productivity

MoeMemos: An app to help you capture thoughts and ideas.

Games

Eat Poop You Cat: a bit like telephone with writing and drawing.

Quinb: A multiplayer reaction game.

INSTEAD: Interactive fiction games.