Charitable Trust Android App Development

I'm seeking an experienced mobile app developer to create an Android application for a charitable trust. The app's primary purpose will be to promote our cause and facilitate donations.

Ideal Skills:
- Extensive experience in Android app development
- Understanding of e-commerce app development
- Knowledge of charitable trust operations

The app should be engaging, user-friendly and secure for processing transactions. Please provide examples of similar apps you've developed in your bid.