How to Make Good Games Better

Egg!

 * It is still being updated.
 * With that being said, add more egg types.
 * Also add more books, food, and clothes.
 * Add a feature that allows you to exchange coins for charms and vice versa.
 * Let us do the Enchanted Castle and Haunted House free trials instead of the app breaking.

Pokémon Uranium

 * It wasn't shut down by Nintendo in 2016 and the original creators still work on it.
 * With that being said, the postgame content is finished.
 * Add consequent updates that add content from later generations.
 * Get rid of the bugs.
 * There are more canon Pokémon, and therefore a larger Pokédex overall.
 * Change Nucleon's name to Radeon.
 * Titanice is Ice/Steel instead of pure Ice.
 * Add more nuclear Pokémon in the game.
 * Add Heatran and make Lanthan and Actan 50% male/50% female like Heatran.
 * Make the other mythicals obtainable.

Pokémon Solar Light and Lunar Dark

 * Add interconnectivity features.
 * Add consequent updates that add content from later generations.
 * Change a lot of the Pokemon's names and designs.
 * Add an autosave feature.