https://twitter.com/a_rumors1111/status/1359808468895469571
Metroid Prime 4 is having a difficult time in development. It will probably be released in two years at the earliest.

Popular titles currently under development (not come soon)
- Mario Kart
- Splatoon 3
And more

(Come in 2021)
- Zelda BotW2
- Pokémon diamond & perl remake

https://twitter.com/a_rumors1111/status/1359813515419082763
Diamond & Perl remakes. November 2021.

https://twitter.com/a_rumors1111/status/1356355045495775233
New Switch will be released Q3 2021

ニンダイ発表後、ポケモンダイレクト、ゼルダダイレクトが後日あるのも示唆
https://twitter.com/a_rumors1111/status/1362041702857404418
Pokémon Direct
Zelda Direct
https://twitter.com/5chan_nel (5ch newer account)