Yes, you can. In such cases, you can't add a card from your security stack to your hand because you don't have any security cards, therefore you just perform <Recovery +1>.

App Fusion is possible with the following combinations. ●[Kabemon] with [Gomimon] link card ●[Kabemon] with [Ecomon] link card ●[Kabemon] with [Puzzlemon] link card ●[Gomimon] with [Kabemon] link card ●[Gomimon] with [Ecomon] link card ●[Gomimon] with [Puzzlemon] link card ●[Ecomon] with [Kabemon] link card ●[Ecomon] with [Gomimon] link card ●[Ecomon] with [Puzzlemon] link card ●[Puzzlemon] with [Kabemon] link card ●[Puzzlemon] with [Gomimon] link card ●[Puzzlemon] with [Ecomon] link card