Add Pocket Broomball (#368) and fix some links

Author: offa

README.md

@@ -837,10 +837,11 @@ A list of **Free** and **Open Source Software** ***(FOSS)*** for **Android** –
 * [**Destination Sol**](https://github.com/MovingBlocks/DestinationSol) <sup>**[[F-Droid](https://www.f-droid.org/app/com.miloshpetrov.sol2.android)]**</sup>
 * [**DékaDico**](https://github.com/vivekthazhathattil/dekadico) <sup>**[[F-Droid](https://f-droid.org/app/com.example.spokennumbers)]**</sup>
 * [**Dooz**](https://github.com/yamin8000/Dooz) <sup>**[[F-Droid](https://www.f-droid.org/app/io.github.yamin8000.dooz)]**</sup>
-* [**Endless Sky**](https://github.com/thewierdnut/endless-mobile) <sup>**[[F-Droid](https://f-droid.org/en/app/com.github.thewierdnut.endless_mobile)]**</sup>
+* [**Endless Sky**](https://github.com/thewierdnut/endless-mobile) <sup>**[[F-Droid](https://f-droid.org/app/com.github.thewierdnut.endless_mobile)]**</sup>
 * [**Falling Blocks**](https://github.com/Sajeg/falling-blocks) <sup>**[[F-Droid](https://f-droid.org/app/org.sajeg.fallingblocks)]**</sup>
 * [**Minetest**](https://github.com/minetest/minetest) <sup>**[[F-Droid](https://f-droid.org/app/net.minetest.minetest)]**</sup>
-* [**Open Golf**](https://github.com/mgerdes/Open-Golf) <sup>**[[F-Droid](https://f-droid.org/en/app/me.mgerdes.open_golf)]**</sup>
+* [**Open Golf**](https://github.com/mgerdes/Open-Golf) <sup>**[[F-Droid](https://f-droid.org/app/me.mgerdes.open_golf)]**</sup>
+* [**Pocket Broomball**](https://github.com/dulvui/pocket-broomball) <sup>**[[F-Droid](https://f-droid.org/app/com.simondalvai.pocketbroomball)]**</sup>
 * [**Quinb**](https://gitlab.com/deepdaikon/Quinb) <sup>**[[F-Droid](https://f-droid.org/app/xyz.deepdaikon.quinb)]**</sup>
 * [**WordleSolver**](https://github.com/billthefarmer/wordlesolver) <sup>**[[F-Droid](https://f-droid.org/app/org.billthefarmer.solver)]**</sup>
 * [**Xeonjia**](https://gitlab.com/deepdaikon/Xeonjia) <sup>**[[F-Droid](https://f-droid.org/app/xyz.deepdaikon.xeonjia)]**</sup>