Q1: Can I use this card's Delay effect to link a card that doesn't have {{Link||}}?
No, you can't.
App Link BT21-097 C Appmon While you have a Digimon or Tamer with the [Appmon] trait on the field, you can ignore this card's color requirements. [Main] Reveal the top 3 cards of your deck. Add 1 card with the [Appmon] or [App Driver] trait among them to the hand. Trash the rest. Then, place this card in the battle area. [End of Your Turn] <Delay> • You may link 1 card from your hand with 1 of your Digimon without paying the cost. --- [Security] Place this card in the battle area.
App Link BT21-097 C Appmon While you have a Digimon or Tamer with the [Appmon] trait on the field, you can ignore this card's color requirements. [Main] Reveal the top 3 cards of your deck. Add 1 card with the [Appmon] or [App Driver] trait among them to the hand. Trash the rest. Then, place this card in the battle area. [End of Your Turn] <Delay> • You may link 1 card from your hand with 1 of your Digimon without paying the cost. --- [Security] Place this card in the battle area.
App Link BT21-097 C Appmon While you have a Digimon or Tamer with the [Appmon] trait on the field, you can ignore this card's color requirements. [Main] Reveal the top 3 cards of your deck. Add 1 card with the [Appmon] or [App Driver] trait among them to the hand. Trash the rest. Then, place this card in the battle area. [End of Your Turn] <Delay> • You may link 1 card from your hand with 1 of your Digimon without paying the cost. ---
アプリンク BT21-097 C アプモン エリアに特徴に「アプモン」を持つ自分のデジモン/テイマーがいる間、このカードは色条件を無視できる。 【メイン】自分のデッキの上から3枚オープンする。その中の特徴に「アプモン」/「アプリドライヴァー」を持つカード1枚を手札に加える。残りは破棄する。その後、このカードをバトルエリアに置く。 【自分のターン終了時】≪ディレイ≫ • 自分の手札から、カード1枚を自分のデジモン1体にコストを支払わずにリンクできる。 --- 【セキュリティ】このカードをバトルエリアに置く。