Update README.md

README.md

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 # Look4Sat
 Amateur radio & weather satellites passes calculator for Android. Inspired by [Gpredict](http://gpredict.oz9aec.net/) from [Alexandru Csete, OZ9AEC](https://github.com/csete). Using the mavenized version of [predict4java](https://github.com/davidmoten/predict4java) lib under the hood created by [David A. B. Johnson, G4DPZ](https://github.com/g4dpz) and [Dave Moten](https://github.com/davidmoten).
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+The app is built using Dagger2, Retrofit2, Kotlin and Kotlin coroutines, Architecture Components and Jetpack Navigation.
+
+<p float="left">
+<img src="screenshots/scr_main_menu.jpg" width="250"/>
+<img src="screenshots/scr_main_list.jpg" width="250"/>
+<img src="screenshots/scr_pass_view.jpg" width="250"/>
+</p>
+<img src="screenshots/scr_world_map.jpg" width="750">