additions (from f-droid) and some link updates

entries/poland_can_into_space.md

@@ -0,0 +1,14 @@
+# Poland can into Space
+
+- Home: https://github.com/JSandomierz/pcis
+- State: mature, inactive since 2018
+- Download: https://f-droid.org/de/packages/pl.sanszo.pcis/
+- Platform: Android
+- Keyword: arcade
+- Code repository: https://github.com/JSandomierz/pcis.git
+- Code language: Java
+- Code license: NPOSL-3.0
+
+## Building
+
+- Build system: Gradle